Revit API 2026

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The official API documentation for Autodesk Revit 2026, providing developers with interfaces and...
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### Manage Add-ins Settings - Get All

Source: https://www.revitapidocs.com/2026/news

Retrieves all add-in settings for the current Revit session. Use this to get a collection of all registered add-in configurations.

```C#
AddInsManagerSettings.GetAllAddInItemSettings()
```

--------------------------------

### Add-in Item Settings - Get Vendor

Source: https://www.revitapidocs.com/2026/news

Retrieves the name of the vendor or developer of the add-in.

```C#
AddInItemSettings.Vendor
```

--------------------------------

### Add-in Item Settings - Get GUID

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Retrieves the unique identifier (GUID) for the add-in. This ID is used to reference the add-in in various management operations.

```C#
AddInItemSettings.GUID
```

--------------------------------

### Manage Add-ins Settings - Get Specific

Source: https://www.revitapidocs.com/2026/news

Retrieves the settings for a specific add-in using its ID. This is useful for accessing or modifying the configuration of a single add-in.

```C#
AddInsManagerSettings.GetAddInItemSettings()
```

--------------------------------

### Get and Set Color for DirectContext3D Handles

Source: https://www.revitapidocs.com/2026/news

Get and set the color override applied to the handle and the associated DirectContext3D graphics.

```C#
DirectContext3DHandleSettings.GetColor()
DirectContext3DHandleSettings.SetColor()
```

--------------------------------

### Add-in Item Settings - Get Load Time

Source: https://www.revitapidocs.com/2026/news

Retrieves the time taken for the add-in to load during its last execution. This can be useful for performance analysis.

```C#
AddInItemSettings.LoadTime
```

--------------------------------

### Get Constraint Candidates for Rebar Handle

Source: https://www.revitapidocs.com/2026/news

Retrieves potential constraint candidates for a specified rebar handle.

```C#
RebarConstraintsManager.GetConstraintCandidatesForHandle(RebarConstrainedHandle)
```

--------------------------------

### DirectContext3DHandleSettings Color

Source: https://www.revitapidocs.com/2026/news

Get and set the color override for DirectContext3D handles.

```APIDOC
## DirectContext3DHandleSettings Color

### Description
Get and set the color override applied to the handle and the associated DirectContext3D graphics.

### Methods
- `DirectContext3DHandleSettings.GetColor()`
- `DirectContext3DHandleSettings.SetColor()`
```

--------------------------------

### Add-in Item Settings - Get Name

Source: https://www.revitapidocs.com/2026/news

Retrieves the name of the add-in. This is the human-readable name displayed in the Revit interface.

```C#
AddInItemSettings.Name
```

--------------------------------

### Get Ceiling Grid Line Geometry

Source: https://www.revitapidocs.com/2026/news

Returns the geometric representation of the ceiling grid, optionally including the ceiling boundary.

```C#
Revit.DB.Ceiling.GetCeilingGridLine()
```

--------------------------------

### Get Failure Severity Name

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Returns the user-visible name for the severity of a warning.

```C#
LabelUtils.GetFailureSeverityName()
```

--------------------------------

### Get and Recenter Spatial Element Default Location

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Allows users to get the default location of a spatial element and to move the spatial element to its default location.

```C#
SpatialElement.GetDefaultLocation()
SpatialElement.Recenter()
```

--------------------------------

### ParameterUtils Get BuiltInParameterGroupTypeId

Source: https://www.revitapidocs.com/2026/news

Gets the parameter group identifier for a given built-in parameter.

```APIDOC
## ParameterUtils Get BuiltInParameterGroupTypeId

### Description
Gets the parameter group identifier corresponding to the given built-in parameter identifier.

### Method
- `ParameterUtils.GetBuiltInParameterGroupTypeId()`
```

--------------------------------

### Get Control Point

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Retrieves a specific control point from the NurbsSurfaceData object.

```C#
NurbsSurfaceData.GetControlPoint()
```

--------------------------------

### Get Built-in Parameter Group Type ID

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Gets the parameter group identifier corresponding to the given built-in parameter identifier.

```C#
ParameterUtils.GetBuiltInParameterGroupTypeId()
```

--------------------------------

### Get Wall Attachment IDs

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Retrieves the ElementIds of all elements attached to the specified wall.

```C#
Wall.GetAttachmentIds()
```

--------------------------------

### Get Weight Value

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Retrieves the weight value for a specific control point in NurbsSurfaceData.

```C#
NurbsSurfaceData.GetWeight()
```

--------------------------------

### Get Number of Weights

Source: https://www.revitapidocs.com/2026/news

Retrieves the total number of weights associated with the control points in NurbsSurfaceData.

```C#
NurbsSurfaceData.GetNumberOfWeights()
```

--------------------------------

### Get Family Instance Assembly Offset for IFC Export

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Returns the translation for the family instance's adjustment within an Assembly during IFC export.

```C#
ExporterIFC.GetFamilyInstanceAssemblyOffset(FamilyInstance)
```

--------------------------------

### Get Number of Control Points

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Retrieves the total number of control points for a NurbsSurfaceData object.

```C#
NurbsSurfaceData.GetNumberControlPoints()
```

--------------------------------

### Get Knot Value in U Direction

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Retrieves the value of a specific knot along the U direction from NurbsSurfaceData.

```C#
NurbsSurfaceData.GetKnotU()
```

--------------------------------

### Get Number of Knots in U Direction

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Retrieves the total number of knots along the U direction of a NurbsSurfaceData object.

```C#
NurbsSurfaceData.GetNumberOfKnotsU()
```

--------------------------------

### Get Number of Knots in V Direction

Source: https://www.revitapidocs.com/2026/news

Retrieves the total number of knots along the V direction of a NurbsSurfaceData object.

```C#
NurbsSurfaceData.GetNumberOfKnotsV()
```

--------------------------------

### Get Structural Analytical Network Hub Point ID

Source: https://www.revitapidocs.com/2026/news

Returns the id of the associated Point element within a structural analytical network hub.

```C#
Hub.GetPointId()
```

--------------------------------

### Get Active Edit Mode Type

Source: https://www.revitapidocs.com/2026/news

Returns the type of the currently active edit mode in Revit. The enum value 'None' indicates that Revit is not in any edit mode.

```C#
Document.GetActiveEditMode()
```

--------------------------------

### AddInsManagerSettings Methods

Source: https://www.revitapidocs.com/2026/news

APIs for managing add-in loading settings in Revit.

```APIDOC
## AddInsManagerSettings.Get()

### Description
Gets the add-in manager settings for the current Windows user.

### Method
`static AddInsManagerSettings.Get()`

### Returns
`AddInsManagerSettings` - The settings object for the current user.
```

```APIDOC
## AddInsManagerSettings.GetAllAddInItemSettings()

### Description
Retrieves all stored add-in item settings.

### Method
`AddInsManagerSettings.GetAllAddInItemSettings()`

### Returns
`IList<AddInItemSettings>` - A list containing settings for all registered add-ins.
```

```APIDOC
## AddInsManagerSettings.GetAddInItemSettings

### Description
Retrieves the settings for a specific add-in item using its ID.

### Method
`AddInsManagerSettings.GetAddInItemSettings(string id)`

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier (GUID) of the add-in.

### Returns
`AddInItemSettings` - The settings object for the specified add-in.
```

```APIDOC
## AddInsManagerSettings.CreateAddInItemSettings

### Description
Creates a new settings object for an add-in.

### Method
`AddInsManagerSettings.CreateAddInItemSettings(string id)`

### Parameters
#### Path Parameters
- **id** (string) - Required - The unique identifier (GUID) for the new add-in settings.

### Returns
`AddInItemSettings` - The newly created settings object.
```

```APIDOC
## AddInsManagerSettings.Save()

### Description
Saves any modifications made to the add-in manager settings.

### Method
`AddInsManagerSettings.Save()`
```

--------------------------------

### Manage Add-ins Settings - Create New

Source: https://www.revitapidocs.com/2026/news

Creates a new add-in settings object. This is typically used when registering a new add-in or setting up initial configurations.

```C#
AddInsManagerSettings.CreateAddInItemSettings()
```

--------------------------------

### Manage Add-ins Settings - Disable All

Source: https://www.revitapidocs.com/2026/news

Disables or enables the loading of all add-ins. This setting is global and applies to all add-ins that permit disabling.

```C#
AddInsManagerSettings.DisableAllAddIns
```

--------------------------------

### SolidUtils Methods

Source: https://www.revitapidocs.com/2026/news

Utilities for computing properties of solids.

```APIDOC
## SolidUtils.ComputeIsTopologicallyClosed

### Description
Computes whether the input solid or shell is topologically closed.

### Method
`SolidUtils.ComputeIsTopologicallyClosed(Solid solid)`

### Parameters
#### Path Parameters
- **solid** (Solid) - Required - The solid to check.

### Returns
`bool` - True if the solid is topologically closed, false otherwise.
```

```APIDOC
## SolidUtils.ComputeIsGeometricallyClosed

### Description
Computes whether the input solid or shell is geometrically closed.

### Method
`SolidUtils.ComputeIsGeometricallyClosed(Solid solid)`

### Parameters
#### Path Parameters
- **solid** (Solid) - Required - The solid to check.

### Returns
`bool` - True if the solid is geometrically closed, false otherwise.
```

--------------------------------

### Create 'Begins With' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates a 'begins with' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateBeginsWithRule(ElementId, String, Boolean)
```

--------------------------------

### Create Toposolid Subdivision

Source: https://www.revitapidocs.com/2026/news

Creates a Toposolid subdivision element with the input toposolid as its host and a specified type for the new subdivision.

```C#
Toposolid.CreateSubDivision(Document, ElementId, IList<CurveLoop>)
```

--------------------------------

### Wall Methods

Source: https://www.revitapidocs.com/2026/news

Methods for managing attachments to walls.

```APIDOC
## Wall.GetAttachmentIds()

### Description
Retrieves the IDs of all elements attached to this wall.

### Method
`Wall.GetAttachmentIds()`

### Returns
`IList<ElementId>` - A list of element IDs that are attached to the wall.
```

```APIDOC
## Wall.AddAttachment

### Description
Adds an attachment to the wall.

### Method
`Wall.AddAttachment(ElementId targetId)`

### Parameters
#### Path Parameters
- **targetId** (ElementId) - Required - The ID of the element to attach.
```

```APIDOC
## Wall.RemoveAttachment(ElementId targetId)

### Description
Removes a specific attachment from the wall.

### Method
`Wall.RemoveAttachment(ElementId targetId)`

### Parameters
#### Path Parameters
- **targetId** (ElementId) - Required - The ID of the attachment to remove.
```

```APIDOC
## Wall.RemoveAttachment(ElementId targetId, AttachmentLocation attachmentLocation)

### Description
Removes a specific attachment from the wall at a given location.

### Method
`Wall.RemoveAttachment(ElementId targetId, AttachmentLocation attachmentLocation)`

### Parameters
#### Path Parameters
- **targetId** (ElementId) - Required - The ID of the attachment to remove.
- **attachmentLocation** (AttachmentLocation) - Required - The location of the attachment to remove.
```

```APIDOC
## Wall.IsValidTargetAttachment

### Description
Checks if a given element is a valid target for attachment to this wall.

### Method
`Wall.IsValidTargetAttachment(ElementId targetId)`

### Parameters
#### Path Parameters
- **targetId** (ElementId) - Required - The ID of the potential attachment.

### Returns
`bool` - True if the target is a valid attachment, false otherwise.
```

--------------------------------

### Manage Add-ins Settings - Save Changes

Source: https://www.revitapidocs.com/2026/news

Saves any modifications made to the add-in settings. This action persists the changes to the configuration.

```C#
AddInsManagerSettings.Save()
```

--------------------------------

### SlabShapeEditor Methods

Source: https://www.revitapidocs.com/2026/news

Methods for drawing points and split lines within the Slab Shape Editor.

```APIDOC
## SlabShapeEditor.DrawPoint

### Description
Draws a point in the Slab Shape Editor.

### Method
`SlabShapeEditor.DrawPoint(XYZ point)`

### Parameters
#### Path Parameters
- **point** (XYZ) - Required - The coordinates of the point to draw.
```

```APIDOC
## SlabShapeEditor.DrawSplitLine

### Description
Draws a split line between two vertices in the Slab Shape Editor.

### Method
`SlabShapeEditor.DrawSplitLine(SlabShapeVertex vertex1, SlabShapeVertex vertex2)`

### Parameters
#### Path Parameters
- **vertex1** (SlabShapeVertex) - Required - The first vertex of the split line.
- **vertex2** (SlabShapeVertex) - Required - The second vertex of the split line.
```

--------------------------------

### Add-in Manifest Settings for Dependency Isolation

Source: https://www.revitapidocs.com/2026/news

Configure add-in dependency isolation by setting 'UseRevitContext' to false and optionally specifying a 'ContextName' in the add-in manifest. This allows add-ins to run in a separate Assembly load context.

```xml
<?xml version="1.0" encoding="utf-8"?>
<RevitAddIns>
<AddIn Type="DBApplication">
<Name>SampleApplication</Name>
<FullClassName>SampleApplication.Application</FullClassName>
<Assembly>SampleApplication.dll</Assembly>
<ClientId>C96B32A3-98C6-4B47-99DA-562E64689C6F</ClientId>
<VendorId>Autodesk</VendorId>
</AddIn>
<ManifestSettings>
<UseRevitContext>False</UseRevitContext>
<ContextName>SampleContextName</ContextName>
</ManifestSettings>
</RevitAddIns>
```

--------------------------------

### AddInItemSettings Properties

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Properties representing the settings for a specific Revit add-in.

```APIDOC
## AddInItemSettings.Disabled

### Description
Gets or sets a value indicating whether the add-in loading is disabled for the next Revit session.

### Property Type
`bool`
```

```APIDOC
## AddInItemSettings.GUID

### Description
Gets the unique identifier (GUID) of the add-in.

### Property Type
`string`
```

```APIDOC
## AddInItemSettings.Name

### Description
Gets the name of the add-in.

### Property Type
`string`
```

```APIDOC
## AddInItemSettings.Vendor

### Description
Gets the vendor name of the add-in.

### Property Type
`string`
```

```APIDOC
## AddInItemSettings.LoadTime

### Description
Gets the time taken to load the add-in during its last session.

### Property Type
`TimeSpan`
```

--------------------------------

### Create 'Not Begins With' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates a 'not begins with' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateNotBeginsWithRule(ElementId, String, Boolean)
```

--------------------------------

### Toposolid Subdivision Creation

Source: https://www.revitapidocs.com/2026/news

Method to create a Toposolid subdivision element.

```APIDOC
## Toposolid Subdivision Creation

### Description
Creates a Toposolid subdivision element using the input toposolid as its host and a specified type for the new subdivision.

### Method
- `Toposolid.CreateSubDivision(Document, ElementId, IList<CurveLoop>)`
```

--------------------------------

### Check PDF Import Availability

Source: https://www.revitapidocs.com/2026/news

Checks if the PDF import functionality is available in the current Revit session.

```C#
OptionalFunctionalityUtils.IsPDFImportAvailable()
```

--------------------------------

### Add Wall Attachment

Source: https://www.revitapidocs.com/2026/news

Adds a new attachment to the wall. The target element must be a valid attachment.

```C#
Wall.AddAttachment()
```

--------------------------------

### SpatialElement Default Location and Recenter

Source: https://www.revitapidocs.com/2026/news

APIs for managing the default location and recentering of spatial elements.

```APIDOC
## SpatialElement Default Location and Recenter

### Description
Provides methods to get the default location of a spatial element and to move the element to its default location.

### Methods
- `SpatialElement.GetDefaultLocation()` - Allows user to get the default location of the spatial element.
- `SpatialElement.Recenter()` - Allows user to move the spatial element to its default location.
```

--------------------------------

### Create 'Equals' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates an 'equals' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateEqualsRule(ElementId, String, Boolean)
```

--------------------------------

### Create 'Not Equals' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates a 'not equals' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateNotEqualsRule(ElementId, String, Boolean)
```

--------------------------------

### CompoundStructure Layer Priority

Source: https://www.revitapidocs.com/2026/news

APIs for customizing CompoundStructure layer priority without changing its function.

```APIDOC
## CompoundStructure Layer Priority

### Description
APIs to manage the priority of layers within a Compound Structure, allowing for customization and resetting to default values.

### Methods
- `CompoundStructureLayer.LayerPriority` (Property)
- `CompoundStructure.GetLayerPriority()` (Method)
- `CompoundStructure.SetLayerPriority()` (Method)
- `CompoundStructure.IsValidLayerPriority()` (Method)
- `CompoundStructure.ResetLayerPriority()` (Method)
- `CompoundStructure.ResetAllLayersPriorities()` (Method)
```

--------------------------------

### Add-in Item Settings - Disable/Enable

Source: https://www.revitapidocs.com/2026/news

Controls whether a specific add-in is disabled or enabled for loading in the next Revit session. Set this property to true to disable.

```C#
AddInItemSettings.Disabled
```

--------------------------------

### Create 'Less Or Equals' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates a 'less or equals' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateLessOrEqualsRule(ElementId, String, Boolean)
```

--------------------------------

### IFC Parameter Mapping Classes and Enums

Source: https://www.revitapidocs.com/2026/news

Provides control over how Revit parameters are mapped to IFC properties, including creation, retrieval, and modification of mapping templates.

```C#
Autodesk.Revit.DB.IFCParameterTemplate
Autodesk.Revit.DB.IFCPropertyMappingInfo
Autodesk.Revit.DB.PropertySelectionType
Autodesk.Revit.DB.PropertySetupType
```

--------------------------------

### Access Structural Analytical Element Connector Manager

Source: https://www.revitapidocs.com/2026/news

Retrieves the connector manager of a given structural analytical element, returning connectors of Domain.StructuralAnalytical.

```C#
AnalyticalElement.ConnectorManager
```

--------------------------------

### ExporterIFC GetFamilyInstanceAssemblyOffset

Source: https://www.revitapidocs.com/2026/news

Returns the translation for a family instance's adjustment within an Assembly.

```APIDOC
## ExporterIFC GetFamilyInstanceAssemblyOffset

### Description
Returns the translation for the family instance's adjustment within an Assembly.

### Method
- `ExporterIFC.GetFamilyInstanceAssemblyOffset(FamilyInstance)`
```

--------------------------------

### Create 'Less' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates a 'less' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateLessRule(ElementId, String, Boolean)
```

--------------------------------

### Array Methods

Source: https://www.revitapidocs.com/2026/news

Methods to validate the size of Linear and Radial arrays.

```APIDOC
## LinearArray.IsValidArraySize

### Description
Checks if the current array size is valid for a linear array.

### Method
`LinearArray.IsValidArraySize()`

### Returns
`bool` - True if the array size is valid, false otherwise.
```

```APIDOC
## RadialArray.IsValidArraySize

### Description
Checks if the current array size is valid for a radial array.

### Method
`RadialArray.IsValidArraySize()`

### Returns
`bool` - True if the array size is valid, false otherwise.
```

--------------------------------

### Create 'Greater Or Equals' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates a 'greater or equals' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateGreaterOrEqualsRule(ElementId, String, Boolean)
```

--------------------------------

### Set Tooltip for Temporary Graphics

Source: https://www.revitapidocs.com/2026/news

Sets the tooltip for the given temporary graphics object.

```C#
TemporaryGraphicsManager.SetTooltip()
```

--------------------------------

### Validate Wall Attachment Target

Source: https://www.revitapidocs.com/2026/news

Checks if the specified element is a valid target for attachment to the wall.

```C#
Wall.IsValidTargetAttachment()
```

--------------------------------

### IFC Parameter Mapping

Source: https://www.revitapidocs.com/2026/news

Classes and enums for controlling Revit parameter to IFC property mapping.

```APIDOC
## IFC Parameter Mapping

### Description
Provides classes and enums to control how Revit parameters are mapped to IFC properties. This includes creating, retrieving, and modifying IFC parameter mapping templates.

### Classes and Enums
- `Autodesk.Revit.DB.IFCParameterTemplate`
- `Autodesk.Revit.DB.IFCPropertyMappingInfo`
- `Autodesk.Revit.DB.PropertySelectionType`
- `Autodesk.Revit.DB.PropertySetupType`
```

--------------------------------

### OptionalFunctionalityUtils.IsPDFImportAvailable

Source: https://www.revitapidocs.com/2026/news

Checks if PDF import functionality is available in the current Revit session.

```APIDOC
## OptionalFunctionalityUtils.IsPDFImportAvailable()

### Description
Checks if the PDF import feature is available.

### Method
`OptionalFunctionalityUtils.IsPDFImportAvailable()`

### Returns
`bool` - True if PDF import is available, false otherwise.
```

--------------------------------

### AnalyticalElement ConnectorManager

Source: https://www.revitapidocs.com/2026/news

Retrieves the connector manager for a structural analytical element.

```APIDOC
## AnalyticalElement ConnectorManager

### Description
Retrieves the connector manager of a given structural analytical element. It will return connectors of Domain.StructuralAnalytical.

### Property
- `AnalyticalElement.ConnectorManager`
```

--------------------------------

### ParameterFilterRuleFactory Methods

Source: https://www.revitapidocs.com/2026/news

Factory methods for creating various types of parameter filter rules.

```APIDOC
## ParameterFilterRuleFactory.CreateBeginsWithRule

### Description
Creates a filter rule that checks if a parameter value begins with a specified string.

### Method
`ParameterFilterRuleFactory.CreateBeginsWithRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to check for at the beginning of the parameter value.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

```APIDOC
## ParameterFilterRuleFactory.CreateNotBeginsWithRule

### Description
Creates a filter rule that checks if a parameter value does not begin with a specified string.

### Method
`ParameterFilterRuleFactory.CreateNotBeginsWithRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to check for at the beginning of the parameter value.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

```APIDOC
## ParameterFilterRuleFactory.CreateContainsRule

### Description
Creates a filter rule that checks if a parameter value contains a specified string.

### Method
`ParameterFilterRuleFactory.CreateContainsRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to check for within the parameter value.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

```APIDOC
## ParameterFilterRuleFactory.CreateNotContainsRule

### Description
Creates a filter rule that checks if a parameter value does not contain a specified string.

### Method
`ParameterFilterRuleFactory.CreateNotContainsRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to check for within the parameter value.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

```APIDOC
## ParameterFilterRuleFactory.CreateEndsWithRule

### Description
Creates a filter rule that checks if a parameter value ends with a specified string.

### Method
`ParameterFilterRuleFactory.CreateEndsWithRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to check for at the end of the parameter value.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

```APIDOC
## ParameterFilterRuleFactory.CreateNotEndsWithRule

### Description
Creates a filter rule that checks if a parameter value does not end with a specified string.

### Method
`ParameterFilterRuleFactory.CreateNotEndsWithRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to check for at the end of the parameter value.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

```APIDOC
## ParameterFilterRuleFactory.CreateEqualsRule

### Description
Creates a filter rule that checks if a parameter value is equal to a specified string.

### Method
`ParameterFilterRuleFactory.CreateEqualsRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to compare against.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

```APIDOC
## ParameterFilterRuleFactory.CreateNotEqualsRule

### Description
Creates a filter rule that checks if a parameter value is not equal to a specified string.

### Method
`ParameterFilterRuleFactory.CreateNotEqualsRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to compare against.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

```APIDOC
## ParameterFilterRuleFactory.CreateGreaterOrEqualsRule

### Description
Creates a filter rule that checks if a parameter value is greater than or equal to a specified string.

### Method
`ParameterFilterRuleFactory.CreateGreaterOrEqualsRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to compare against.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

```APIDOC
## ParameterFilterRuleFactory.CreateGreaterRule

### Description
Creates a filter rule that checks if a parameter value is greater than a specified string.

### Method
`ParameterFilterRuleFactory.CreateGreaterRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to compare against.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

```APIDOC
## ParameterFilterRuleFactory.CreateLessOrEqualsRule

### Description
Creates a filter rule that checks if a parameter value is less than or equal to a specified string.

### Method
`ParameterFilterRuleFactory.CreateLessOrEqualsRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to compare against.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

```APIDOC
## ParameterFilterRuleFactory.CreateLessRule

### Description
Creates a filter rule that checks if a parameter value is less than a specified string.

### Method
`ParameterFilterRuleFactory.CreateLessRule(ElementId id, String value, Boolean ignoreCase)`

### Parameters
#### Path Parameters
- **id** (ElementId) - Required - The ID of the parameter.
- **value** (String) - Required - The string to compare against.
- **ignoreCase** (Boolean) - Required - Whether to ignore case during comparison.

### Returns
`ParameterFilterRule` - The created filter rule.
```

--------------------------------

### Ceiling Grid Line Retrieval

Source: https://www.revitapidocs.com/2026/news

Retrieves the geometric representation of a ceiling grid.

```APIDOC
## Ceiling Grid Line Retrieval

### Description
Returns the geometric representation of the ceiling grid, with an option to include the ceiling boundary.

### Method
- `Revit.DB.Ceiling.GetCeilingGridLine()`
```

--------------------------------

### Customize Compound Structure Layer Priority

Source: https://www.revitapidocs.com/2026/news

Allows customization of CompoundStructure layer priority without changing its function. Use GetLayerPriority, SetLayerPriority, IsValidLayerPriority, and ResetLayerPriority methods.

```C#
CompoundStructureLayer.LayerPriority
CompoundStructure.GetLayerPriority()
CompoundStructure.SetLayerPriority()
CompoundStructure.IsValidLayerPriority()
CompoundStructure.ResetLayerPriority()
CompoundStructure.ResetAllLayersPriorities()
```

--------------------------------

### TemporaryGraphicsManager SetTooltip

Source: https://www.revitapidocs.com/2026/news

Sets the tooltip for a temporary graphics object.

```APIDOC
## TemporaryGraphicsManager SetTooltip

### Description
Sets the tooltip for the given temporary graphics object.

### Method
- `TemporaryGraphicsManager.SetTooltip()`
```

--------------------------------

### NurbsSurfaceData Methods

Source: https://www.revitapidocs.com/2026/news

Element-wise accessors for NurbsSurfaceData to optimize data retrieval.

```APIDOC
## NurbsSurfaceData.GetNumberOfKnotsU

### Description
Gets the number of knots in the U direction for the NURBS surface.

### Method
`NurbsSurfaceData.GetNumberOfKnotsU()`

### Returns
`int` - The count of knots in the U direction.
```

```APIDOC
## NurbsSurfaceData.GetKnotU

### Description
Gets a specific knot value in the U direction.

### Method
`NurbsSurfaceData.GetKnotU(int index)`

### Parameters
#### Path Parameters
- **index** (int) - Required - The index of the knot to retrieve.

### Returns
`double` - The knot value at the specified index.
```

```APIDOC
## NurbsSurfaceData.GetNumberOfKnotsV

### Description
Gets the number of knots in the V direction for the NURBS surface.

### Method
`NurbsSurfaceData.GetNumberOfKnotsV()`

### Returns
`int` - The count of knots in the V direction.
```

```APIDOC
## NurbsSurfaceData.GetKnotV

### Description
Gets a specific knot value in the V direction.

### Method
`NurbsSurfaceData.GetKnotV(int index)`

### Parameters
#### Path Parameters
- **index** (int) - Required - The index of the knot to retrieve.

### Returns
`double` - The knot value at the specified index.
```

```APIDOC
## NurbsSurfaceData.GetNumberControlPoints

### Description
Gets the total number of control points for the NURBS surface.

### Method
`NurbsSurfaceData.GetNumberControlPoints()`

### Returns
`int` - The total count of control points.
```

```APIDOC
## NurbsSurfaceData.GetControlPoint

### Description
Gets a specific control point of the NURBS surface.

### Method
`NurbsSurfaceData.GetControlPoint(int index)`

### Parameters
#### Path Parameters
- **index** (int) - Required - The index of the control point to retrieve.

### Returns
`XYZ` - The control point at the specified index.
```

```APIDOC
## NurbsSurfaceData.GetNumberOfWeights

### Description
Gets the number of weights associated with the control points.

### Method
`NurbsSurfaceData.GetNumberOfWeights()`

### Returns
`int` - The count of weights.
```

```APIDOC
## NurbsSurfaceData.GetWeight

### Description
Gets a specific weight value for a control point.

### Method
`NurbsSurfaceData.GetWeight(int index)`

### Parameters
#### Path Parameters
- **index** (int) - Required - The index of the weight to retrieve.

### Returns
`double` - The weight value at the specified index.
```

--------------------------------

### Compute Topological Closure of Solid

Source: https://www.revitapidocs.com/2026/news

Performs a computation to check if the input solid or shell, and its components, are topologically closed.

```C#
SolidUtils.ComputeIsTopologicallyClosed()
```

--------------------------------

### Enable/Disable Toposolid Cut Void Stability

Source: https://www.revitapidocs.com/2026/news

Accesses the option to use random shifting for successful Boolean operations when cutting and joining Toposolid objects. Use IsCutVoidStabilityEnabled and SetCutVoidStability methods.

```C#
Toposolid.IsCutVoidStabilityEnabled(Document)
Toposolid.SetCutVoidStability(Document, bool)
```

--------------------------------

### Draw Split Line in Slab Shape Editor

Source: https://www.revitapidocs.com/2026/news

Draws a split line between two vertices in the Slab Shape Editor.

```C#
SlabShapeEditor.DrawSplitLine(SlabShapeVertex, SlabShapeVertex)
```

--------------------------------

### RebarConstraintsManager Methods

Source: https://www.revitapidocs.com/2026/news

APIs for managing rebar constraints, including retrieving candidates and setting preferred constraints.

```APIDOC
## RebarConstraintsManager.GetConstraintCandidatesForHandle

### Description
Retrieves a list of constraint candidates for a given rebar handle.

### Method
`RebarConstraintsManager.GetConstraintCandidatesForHandle(RebarConstrainedHandle handle)`

### Parameters
#### Path Parameters
- **handle** (RebarConstrainedHandle) - Required - The handle for which to retrieve constraint candidates.

### Returns
`IList<RebarConstraint>` - A list of available rebar constraint candidates.
```

```APIDOC
## RebarConstraintsManager.SetPreferredConstraintForHandle

### Description
Sets the preferred constraint for a given rebar handle.

### Method
`RebarConstraintsManager.SetPreferredConstraintForHandle(RebarConstrainedHandle handle, RebarConstraint constraint)`

### Parameters
#### Path Parameters
- **handle** (RebarConstrainedHandle) - Required - The handle to set the preferred constraint for.
- **constraint** (RebarConstraint) - Required - The preferred rebar constraint.
```

--------------------------------

### Create 'Greater' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates a 'greater' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateGreaterRule(ElementId, String, Boolean)
```

--------------------------------

### Update DirectContext3D FlushBuffer Index Buffer Parameter

Source: https://www.revitapidocs.com/2026/news

The index buffer parameter input in DirectContext3D.FlushBuffer() has been updated to optional, permitting null only if indexCount is also 0.

```C#
DirectContext3D.FlushBuffer()
```

--------------------------------

### DirectContext3D FlushBuffer Update

Source: https://www.revitapidocs.com/2026/news

Update to the index buffer parameter input for FlushBuffer.

```APIDOC
## DirectContext3D FlushBuffer Update

### Description
The index buffer parameter input in `DirectContext3D.FlushBuffer()` has been updated to be optional. Null is permitted if `indexCount` is also 0.

### Method
- `DirectContext3D.FlushBuffer()`
```

--------------------------------

### Draw Point in Slab Shape Editor

Source: https://www.revitapidocs.com/2026/news

Draws a point within the Slab Shape Editor.

```C#
SlabShapeEditor.DrawPoint(XYZ)
```

--------------------------------

### Set Preferred Constraint for Rebar Handle

Source: https://www.revitapidocs.com/2026/news

Sets the preferred constraint for a given rebar handle.

```C#
RebarConstraintsManager.SetPreferredConstraintForHandle(RebarConstrainedHandle, RebarConstraint)
```

--------------------------------

### Compute Geometric Closure of Solid

Source: https://www.revitapidocs.com/2026/news

Performs a computation to check if the input solid or shell, and its components, are geometrically closed.

```C#
SolidUtils.ComputeIsGeometricallyClosed()
```

--------------------------------

### Document Methods

Source: https://www.revitapidocs.com/2026/news

Methods related to the current document's edit state.

```APIDOC
## Document.IsInEditMode()

### Description
Identifies if Revit is currently in an active edit mode.

### Method
`Document.IsInEditMode()`

### Returns
`bool` - True if Revit is in an edit mode, false otherwise.
```

```APIDOC
## Document.GetActiveEditMode()

### Description
Returns the type of the active edit mode in Revit.

### Method
`Document.GetActiveEditMode()`

### Returns
`EditModeType` - The type of the active edit mode. Returns `EditModeType.None` if not in an edit mode.
```

--------------------------------

### Toposolid Cut Void Stability

Source: https://www.revitapidocs.com/2026/news

Accesses options for Boolean operations on Toposolid objects.

```APIDOC
## Toposolid Cut Void Stability

### Description
Accesses and modifies the option to use random shifting for successful Boolean operations (cutting and joining) on Toposolid objects.

### Methods
- `Toposolid.IsCutVoidStabilityEnabled(Document)` (Static Method)
- `Toposolid.SetCutVoidStability(Document, bool)` (Static Method)
```

--------------------------------

### Create 'Not Ends With' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates a 'not ends with' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateNotEndsWithRule(ElementId, String, Boolean)
```

--------------------------------

### Create 'Ends With' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates an 'ends with' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateEndsWithRule(ElementId, String, Boolean)
```

--------------------------------

### Evaluate Numeric Rule

Source: https://www.revitapidocs.com/2026/news

Evaluates a numeric rule against provided integer values.

```C#
FilterNumericRuleEvaluator.Evaluate(Int32, Int32)
```

--------------------------------

### Check Analytical Surface Curve Loop Validity

Source: https://www.revitapidocs.com/2026/news

Determines if the curve loop of an analytical surface is valid.

```C#
AnalyticalSurfaceBase.IsCurveLoopValid()
```

--------------------------------

### Move Spatial Element Tag Reference Location

Source: https://www.revitapidocs.com/2026/news

Allows users to move the SpatialElementTag to the location of the SpatialElement it is associated with.

```C#
SpatialElementTag.MoveToReferenceLocation()
```

--------------------------------

### Check if Boundary Setback is Disabled for Steel Elements

Source: https://www.revitapidocs.com/2026/news

Checks if the boundary setback is disabled for steel elements in structural settings.

```C#
StructuralSettings.BoundarySetbackDisabledForSteelElements()
```

--------------------------------

### LabelUtils GetFailureSeverityName

Source: https://www.revitapidocs.com/2026/news

Returns the user-visible name for a failure warning severity.

```APIDOC
## LabelUtils GetFailureSeverityName

### Description
Returns the user-visible name for the severity of a warning.

### Method
- `LabelUtils.GetFailureSeverityName()`
```

--------------------------------

### StructuralSettings BoundarySetbackDisabledForSteelElements

Source: https://www.revitapidocs.com/2026/news

Checks if boundary setback is disabled for steel elements.

```APIDOC
## StructuralSettings BoundarySetbackDisabledForSteelElements

### Description
Checks if the boundary setback is disabled for steel elements.

### Method
- `StructuralSettings.BoundarySetbackDisabledForSteelElements()`
```

--------------------------------

### Create 'Not Contains' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates a 'not contains' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateNotContainsRule(ElementId, String, Boolean)
```

--------------------------------

### TemporaryViewModes AcceleratedGraphicsMode

Source: https://www.revitapidocs.com/2026/news

Represents the state of Accelerated Graphics mode in a view.

```APIDOC
## TemporaryViewModes AcceleratedGraphicsMode

### Description
Represents the current state of the Accelerated Graphics mode in the associated view. The enum value `AcceleratedGraphicsMode` indicates the view is in this mode.

### Property
- `TemporaryViewModes.AcceleratedGraphicsMode`
```

--------------------------------

### SpatialElementTag Move Reference Location

Source: https://www.revitapidocs.com/2026/news

Moves a SpatialElementTag to the associated spatial element's location.

```APIDOC
## SpatialElementTag Move Reference Location

### Description
Allows the user to move the SpatialElementTag to the location of the SpatialElement that the tag is associated with.

### Method
- `SpatialElementTag.MoveToReferenceLocation()`
```

--------------------------------

### Create 'Contains' Rule for Parameter Filter

Source: https://www.revitapidocs.com/2026/news

Creates a 'contains' rule for a parameter filter.

```C#
ParameterFilterRuleFactory.CreateContainsRule(ElementId, String, Boolean)
```

--------------------------------

### Check if Revit is in Edit Mode

Source: https://www.revitapidocs.com/2026/news

Identifies whether Revit is currently in an active edit mode. Returns true if in an edit mode, false otherwise.

```C#
Document.IsInEditMode()
```

--------------------------------

### Remove Wall Attachment by ID and Location

Source: https://www.revitapidocs.com/2026/news

Removes a specific attachment from the wall using its ElementId and attachment location.

```C#
Wall.RemoveAttachment(ElementId targetId, AttachmentLocation attachmentLocation)
```

--------------------------------

### Remove Wall Attachment by ID

Source: https://www.revitapidocs.com/2026/news

Removes a specific attachment from the wall using its ElementId.

```C#
Wall.RemoveAttachment(ElementId targetId)
```

--------------------------------

### Check Radial Array Validity

Source: https://www.revitapidocs.com/2026/news

Validates the size of a radial array.

```C#
RadialArray.IsValidArraySize()
```

--------------------------------

### Check Linear Array Validity

Source: https://www.revitapidocs.com/2026/news

Validates the size of a linear array.

```C#
LinearArray.IsValidArraySize()
```

--------------------------------

### Access Accelerated Graphics Mode State

Source: https://www.revitapidocs.com/2026/news

Represents the current state of the Accelerated Graphics mode in the associated view. Use the enum value AcceleratedGraphicsMode.

```C#
TemporaryViewModes.AcceleratedGraphicsMode
```

--------------------------------

### Hub GetPointId

Source: https://www.revitapidocs.com/2026/news

Returns the ID of the associated Point element in a structural analytical network.

```APIDOC
## Hub GetPointId

### Description
Returns the ID of the associated Point element.

### Method
- `Hub.GetPointId()`
```

--------------------------------

### AnalyticalSurfaceBase.IsCurveLoopValid

Source: https://www.revitapidocs.com/2026/news

Checks if the curve loop of an analytical surface is valid.

```APIDOC
## AnalyticalSurfaceBase.IsCurveLoopValid

### Description
Determines if the curve loop associated with the analytical surface is valid.

### Method
`AnalyticalSurfaceBase.IsCurveLoopValid()`

### Returns
`bool` - True if the curve loop is valid, false otherwise.
```

--------------------------------

### FilterNumericRuleEvaluator.Evaluate

Source: https://www.revitapidocs.com/2026/news

Evaluates a numeric rule against two integer values.

```APIDOC
## FilterNumericRuleEvaluator.Evaluate

### Description
Evaluates a numeric rule using two integer values.

### Method
`FilterNumericRuleEvaluator.Evaluate(Int32 val1, Int32 val2)`

### Parameters
#### Path Parameters
- **val1** (Int32) - Required - The first integer value.
- **val2** (Int32) - Required - The second integer value.

### Returns
`bool` - The result of the rule evaluation.
```

--------------------------------

### Check for Independent Tag Text

Source: https://www.revitapidocs.com/2026/news

Allows users to determine if the IndependentTag object has a valid tag text.

```C#
Autodesk.Revit.DB.IndependentTag.HasTagText()
```

--------------------------------

### IndependentTag HasTagText

Source: https://www.revitapidocs.com/2026/news

Determines if an IndependentTag has valid tag text.

```APIDOC
## IndependentTag HasTagText

### Description
Allows users to determine if the IndependentTag object has a valid tag text.

### Method
- `Autodesk.Revit.DB.IndependentTag.HasTagText()`
```
Tokens:
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