### Initialize and Listen for App Service Events

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/index.html

Sets up an application service instance to listen for events and handle user or alias queries.

```javascript
const { AppService } = require("matrix-appservice");  
// listening  
const as = new AppService({  
  homeserverToken: "abcd653bac492087d3c87"  
});  
as.on("type:m.room.message", (event) => {  
  // handle the incoming message  
});  
as.onUserQuery = function(userId, callback) {  
  // handle the incoming user query then respond  
  console.log("RECV %s", userId);  
  callback();  
};  
// can also do this as a promise  
as.onAliasQuery = async function(alias) {  
  console.log("RECV %s", alias);  
};  
as.listen(8010);
```

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

### Constructor: new AppService

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Initializes a new instance of the AppService class with the required configuration.

```APIDOC
## Constructor: new AppService

### Description
Constructs a new application service instance.

### Parameters
#### Request Body
- **config** (object) - Required - Configuration for this service.
  - **homeserverToken** (string) - Required - The incoming HS token to expect.
  - **httpMaxSizeBytes** (number) - Optional - The max number of bytes allowed on an incoming HTTP request. Default: 5000000.
```

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

### listen

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Begins listening on the specified port for incoming connections.

```APIDOC
## listen

### Description
Begin listening on the specified port.

### Parameters
#### Path Parameters
- **port** (number) - Required - The port to listen on.
- **hostname** (string) - Required - Optional hostname to listen on
- **backlog** (number) - Required - Maximum length of the queue of pending connections
- **callback** (function) - Optional - The callback for the "listening" event.

### Response
#### Success Response (200)
- **result** (undefined | Promise<void>) - When the server is listening, if a callback is not provided.
```

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

### Create an App Service Registration File

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/index.html

Generates a YAML registration file required for the homeserver to recognize the application service.

```javascript
const { AppServiceRegistration } = require("matrix-appservice");  
  
// creating registration files  
const reg = new AppServiceRegistration();  
reg.setAppServiceUrl("http://localhost:8010");  
reg.setHomeserverToken(AppServiceRegistration.generateToken());  
reg.setAppServiceToken(AppServiceRegistration.generateToken());  
reg.setSenderLocalpart("example-appservice");  
reg.addRegexPattern("users", "@.*", true);  
reg.setProtocols(["exampleservice"]); // For 3PID lookups  
reg.outputAsYaml("registration.yaml");
```

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

### Constructor: AppServiceRegistration

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Initializes a new instance of the AppServiceRegistration class.

```APIDOC
## constructor AppServiceRegistration

### Description
Initializes a new instance of the AppServiceRegistration class.

### Method
constructor

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
N/A

#### Response Example
None

### Parameters
#### url
- **url** (null | string) - The URL for the homeserver.
```

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

### Configuration Methods

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Methods for configuring the application service registration details.

```APIDOC
## setAppServiceToken

### Description
Set the token the app service will use to communicate with the homeserver.

### Parameters
#### Request Body
- **token** (string) - Required - The token

## setAppServiceUrl

### Description
Set the URL which the home server will hit in order to talk to the AS.

### Parameters
#### Request Body
- **url** (string) - Required - The application service url

## setHomeserverToken

### Description
Set the token the homeserver will use to communicate with the app service.

### Parameters
#### Request Body
- **token** (string) - Required - The token

## setId

### Description
Set the ID of the appservice; must be unique across the homeserver and never change.

### Parameters
#### Request Body
- **id** (string) - Required - The ID

## setProtocols

### Description
Set the list of protocols that this appservice will serve for third party lookups.

### Parameters
#### Request Body
- **protocols** (string[]) - Required - The protocols

## setRateLimited

### Description
Set whether requests from this AS are rate-limited by the home server.

### Parameters
#### Request Body
- **isRateLimited** (boolean) - Required - The flag which is set to true to enable rate rate limiting, false to disable.

## setSenderLocalpart

### Description
Set the desired user_id localpart for the app service itself.

### Parameters
#### Request Body
- **localpart** (string) - Required - The user_id localpart ("alice" in "@alice:domain")
```

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

### Method: outputAsYaml

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Outputs the current registration details to a YAML file.

```APIDOC
## outputAsYaml

### Description
Outputs the current registration details to a YAML file.

### Method
outputAsYaml

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (void) - This method does not return a value.

#### Response Example
None

### Throws
If required fields hs_token, as_token, or url are missing.

### Parameters
#### filename
- **filename** (string) - Required - The name of the file to write the YAML output to.
```

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

### Method: getOutput

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Retrieves the key-value output that should be written to a YAML file for the registration.

```APIDOC
## getOutput

### Description
Retrieves the key-value output that should be written to a YAML file for the registration.

### Method
getOutput

### Endpoint
N/A

### Parameters
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (AppServiceOutput) - An object containing the registration details in a key-value format.

#### Response Example
None

### Throws
If required fields hs_token, as-token, url, sender_localpart are missing.
```

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

### Method: setHomeserverToken

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Sets the token that the homeserver will use to communicate with the app service.

```APIDOC
## setHomeserverToken

### Description
Sets the token that the homeserver will use to communicate with the app service.

### Method
setHomeserverToken

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (void) - This method does not return a value.

#### Response Example
None

### Parameters
#### token
- **token** (string) - Required - The token to set for homeserver to app service communication.
```

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

### Utility and State Methods

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Methods for checking ephemeral event status and registration object utilities.

```APIDOC
## pushEphemeralEnabled

### Description
Should the appservice receive ephemeral events. Note this requires a homeserver implementing MSC2409.

### Response
- **returns** (boolean)

## fromObject

### Description
Convert a JSON object to an AppServiceRegistration object.

### Parameters
#### Request Body
- **obj** (AppServiceOutput) - Required - The registration object

### Response
- **returns** (AppServiceRegistration) - The registration.

## generateToken

### Description
Generate a random token.

### Response
- **returns** (string) - A randomly generated token.
```

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

### Events: on

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Describes the events emitted by the AppService instance when receiving data from the homeserver.

```APIDOC
## Event: on

### Description
Registers listeners for events pushed to the appservice.

### Events
- **event** - Emitted when a standard event is pushed.
- **ephemeral** - Emitted when an ephemeral event is pushed.
- **http-log** - Emitted when the HTTP listener logs information.
- **type:[event_type]** - Emitted when an event of a specific type is pushed.
```

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

### Method: addRegexPattern

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Adds a regex pattern to the registration for users, aliases, or rooms.

```APIDOC
## addRegexPattern

### Description
Adds a regex pattern to the registration for users, aliases, or rooms.

### Method
addRegexPattern

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (void) - This method does not return a value.

#### Response Example
None

### Throws
If given an invalid type or regex.

### Parameters
#### type
- **type** (users | aliases | rooms) - Required - The type of regex pattern. Must be 'users', 'rooms', or 'aliases'.
#### regex
- **regex** (string) - Required - The regex pattern.
#### exclusive
- **exclusive** (boolean) - Optional - True to reserve the matched namespace.
```

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

### Method: getAppServiceUrl

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Retrieves the URL which the homeserver will use to communicate with the app service.

```APIDOC
## getAppServiceUrl

### Description
Retrieves the URL which the homeserver will use to communicate with the app service.

### Method
getAppServiceUrl

### Endpoint
N/A

### Parameters
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (null | string) - The URL for homeserver to app service communication.

#### Response Example
None
```

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

### Static Event Utilities

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Static utility methods for handling event emitters and asynchronous event streams.

```APIDOC
## listenerCount

### Description
Returns the number of listeners for a specific event on an emitter. (Deprecated since v4.0.0)

### Parameters
- **emitter** (EventEmitter) - Required - The event emitter instance.
- **event** (string | symbol) - Required - The event name.

### Returns
- **number** - The count of listeners.

## on

### Description
Creates an AsyncIterableIterator for an event on an emitter.

### Parameters
- **emitter** (EventEmitter) - Required - The event emitter instance.
- **event** (string) - Required - The event name.

### Returns
- **AsyncIterableIterator<any>** - An async iterator for the event.

## once

### Description
Returns a promise that resolves when the specified event is emitted once.

### Parameters
- **emitter** (NodeEventTarget | DOMEventTarget) - Required - The event emitter.
- **event** (string | symbol) - Required - The event name.

### Returns
- **Promise<any[]>** - A promise resolving with event data.
```

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

### Method: getProtocols

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Retrieves the list of protocols that this appservice will serve for third-party lookups.

```APIDOC
## getProtocols

### Description
Retrieves the list of protocols that this appservice will serve for third-party lookups.

### Method
getProtocols

### Endpoint
N/A

### Parameters
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (null | string[]) - An array of protocol names, or null if no protocols have been set.

#### Response Example
None
```

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

### AppServiceRegistration Class

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Provides methods for configuring and retrieving application service registration details.

```APIDOC
## Class AppServiceRegistration

### Hierarchy
  * AppServiceRegistration

### Constructors
  * constructor

### Properties
  * pushEphemeral

### Methods
  * _isMatch
  * addRegexPattern
  * getAppServiceToken
  * getAppServiceUrl
  * getHomeserverToken
  * getId
  * getOutput
  * getProtocols
  * getSenderLocalpart
  * isAliasMatch
  * isRateLimited
  * isRoomMatch
  * isUserMatch
  * outputAsYaml
  * pushEphemeralEnabled
  * setAppServiceToken
  * setAppServiceUrl
  * setHomeserverToken
  * setId
  * setProtocols
  * setRateLimited
  * setSenderLocalpart
  * fromObject
  * generateToken
```

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

### Method: setAppServiceUrl

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Sets the URL which the homeserver will use to communicate with the app service.

```APIDOC
## setAppServiceUrl

### Description
Sets the URL which the homeserver will use to communicate with the app service.

### Method
setAppServiceUrl

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (void) - This method does not return a value.

#### Response Example
None

### Parameters
#### url
- **url** (string) - Required - The URL for homeserver to app service communication.
```

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

### Handle HTTP logs

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Registers a listener for HTTP log output from the service.

```javascript
appService.on("http-log", function(line) { console.log(line); });
```

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

### Method: getAppServiceToken

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Retrieves the token that the app service will use to communicate with the homeserver.

```APIDOC
## getAppServiceToken

### Description
Retrieves the token that the app service will use to communicate with the homeserver.

### Method
getAppServiceToken

### Endpoint
N/A

### Parameters
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (null | string) - The token used for app service to homeserver communication.

#### Response Example
None
```

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

### AppService Methods

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Methods available on the AppService instance for configuration and event management.

```APIDOC
## setMaxListeners

### Description
Sets the maximum number of listeners for the AppService instance.

### Parameters
- **n** (number) - Required - The maximum number of listeners.

### Returns
- **AppService** - The AppService instance.
```

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

### Method: setProtocols

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Sets the list of protocols that this appservice will serve for third-party lookups.

```APIDOC
## setProtocols

### Description
Sets the list of protocols that this appservice will serve for third-party lookups.

### Method
setProtocols

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (void) - This method does not return a value.

#### Response Example
None

### Parameters
#### protocols
- **protocols** (string[]) - Required - An array of protocol names to serve.
```

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

### onUserQuery

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Override this method to handle user queries.

```APIDOC
## onUserQuery

### Description
Override this method to handle user queries.

### Parameters
#### Path Parameters
- **userId** (string) - Required - The queried user ID.
- **callback** (function) - Required - The callback to invoke when complete.

### Response
#### Success Response (200)
- **result** (null | PromiseLike<void>) - A promise to resolve when complete (if callback isn't supplied)
```

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

### Method: setRateLimited

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Sets whether requests from this app service should be rate-limited by the homeserver.

```APIDOC
## setRateLimited

### Description
Sets whether requests from this app service should be rate-limited by the homeserver.

### Method
setRateLimited

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (void) - This method does not return a value.

#### Response Example
None

### Parameters
#### rateLimited
- **rateLimited** (boolean) - Required - True to enable rate limiting, false otherwise.
```

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

### Handle Matrix events

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Registers a listener for incoming Matrix events.

```javascript
appService.on("event", function(ev) { console.log("ID: %s", ev.event_id); });
```

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

### Method: _isMatch

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Checks if a given sample string matches any of the provided regex patterns.

```APIDOC
## _isMatch

### Description
Checks if a given sample string matches any of the provided regex patterns.

### Method
_isMatch

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (boolean) - True if the sample matches any regex, false otherwise.

#### Response Example
None

### Parameters
#### regexList
- **regexList** (undefined | RegexObj[]) - A list of regex objects to match against.
#### sample
- **sample** (string) - The string to test for a match.
#### onlyExclusive
- **onlyExclusive** (boolean) - If true, only exclusive regexes will be considered for matching.
```

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

### Method: setAppServiceToken

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Sets the token that the app service will use to communicate with the homeserver.

```APIDOC
## setAppServiceToken

### Description
Sets the token that the app service will use to communicate with the homeserver.

### Method
setAppServiceToken

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (void) - This method does not return a value.

#### Response Example
None

### Parameters
#### token
- **token** (string) - Required - The token to set for app service to homeserver communication.
```

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

### Method: getHomeserverToken

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Retrieves the token that the homeserver will use to communicate with the app service.

```APIDOC
## getHomeserverToken

### Description
Retrieves the token that the homeserver will use to communicate with the app service.

### Method
getHomeserverToken

### Endpoint
N/A

### Parameters
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (null | string) - The token used for homeserver to app service communication.

#### Response Example
None
```

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

### Method: isRateLimited

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Determines if requests from this app service are rate-limited by the homeserver.

```APIDOC
## isRateLimited

### Description
Determines if requests from this app service are rate-limited by the homeserver.

### Method
isRateLimited

### Endpoint
N/A

### Parameters
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (boolean) - True if rate limiting is enabled, false otherwise.

#### Response Example
None
```

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

### setHomeserverToken

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Set the token that should be used to verify incoming events.

```APIDOC
## setHomeserverToken

### Description
Set the token that should be used to verify incoming events.

### Parameters
#### Path Parameters
- **hsToken** (string) - Required - The token to set.
```

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

### Handle specific event types

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Registers a listener for a specific event type, such as m.room.message.

```javascript
appService.on("type:m.room.message", function(event) { console.log("ID: %s", ev.content.body); });
```

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

### Accessor: expressApp

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Provides access to the underlying Express application instance.

```APIDOC
## Accessor: expressApp

### Description
Returns the Express App instance for the appservice, which can be extended with custom paths.

### Returns
- **Application** - The Express application instance.
```

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

### RegexObj Interface

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/interfaces/RegexObj.html

Details about the RegexObj interface, including its hierarchy and properties.

```APIDOC
## Interface RegexObj 

### Hierarchy
  * RegexObj

## Properties
### exclusive
exclusive: boolean

### regex
regex: string
```

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

### Property: pushEphemeral

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Experimental property to signal to the homeserver that this appservice will accept ephemeral events.

```APIDOC
## Property pushEphemeral

### Description
Experimental property to signal to the homeserver that this appservice will accept ephemeral events.

### Type
undefined | boolean

### Default Value
undefined
```

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

### Method: getId

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Retrieves the unique ID of the application service.

```APIDOC
## getId

### Description
Retrieves the unique ID of the application service.

### Method
getId

### Endpoint
N/A

### Parameters
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (null | string) - The ID of the application service.

#### Response Example
None
```

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

### onAliasQuery

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Override this method to handle alias queries.

```APIDOC
## onAliasQuery

### Description
Override this method to handle alias queries.

### Parameters
#### Path Parameters
- **alias** (string) - Required - The queried room alias
- **callback** (function) - Required - The callback to invoke when complete.

### Response
#### Success Response (200)
- **result** (null | PromiseLike<void>) - A promise to resolve when complete (if callback isn't supplied)
```

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

### Method: isRoomMatch

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Checks if a given room ID matches any of the registered regex patterns for rooms.

```APIDOC
## isRoomMatch

### Description
Checks if a given room ID matches any of the registered regex patterns for rooms.

### Method
isRoomMatch

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (boolean) - True if the room ID matches a registered pattern, false otherwise.

#### Response Example
None

### Parameters
#### roomId
- **roomId** (string) - Required - The room ID to check.
#### onlyExclusive
- **onlyExclusive** (boolean) - Required - If true, only exclusive regexes will be considered for matching. If false, both exclusive and non-exclusive regexes will be considered.
```

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

### Method: setId

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Sets the unique ID of the application service.

```APIDOC
## setId

### Description
Sets the unique ID of the application service.

### Method
setId

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (void) - This method does not return a value.

#### Response Example
None

### Parameters
#### id
- **id** (string) - Required - The unique ID for the application service.
```

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

### close

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Closes the HTTP server.

```APIDOC
## close

### Description
Closes the HTTP server.

### Response
#### Success Response (200)
- **result** (Promise<void>) - When the operation has completed
```

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

### Method: isAliasMatch

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Checks if a given room alias matches any of the registered regex patterns for aliases.

```APIDOC
## isAliasMatch

### Description
Checks if a given room alias matches any of the registered regex patterns for aliases.

### Method
isAliasMatch

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (boolean) - True if the alias matches a registered pattern, false otherwise.

#### Response Example
None

### Parameters
#### alias
- **alias** (string) - Required - The room alias to check.
#### onlyExclusive
- **onlyExclusive** (boolean) - Required - If true, only exclusive regexes will be considered for matching. If false, both exclusive and non-exclusive regexes will be considered.
```

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

### Handle ephemeral events

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppService.html

Registers a listener for incoming ephemeral events.

```javascript
appService.on("ephemeral", function(ev) { console.log("ID: %s", ev.type); });
```

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

### Method: getSenderLocalpart

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Retrieves the desired user ID localpart for the app service itself.

```APIDOC
## getSenderLocalpart

### Description
Retrieves the desired user ID localpart for the app service itself.

### Method
getSenderLocalpart

### Endpoint
N/A

### Parameters
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (null | string) - The localpart of the user ID (e.g., "alice" in "@alice:domain").

#### Response Example
None
```

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

### Method: isUserMatch

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Checks if a given user ID matches any of the registered regex patterns for users.

```APIDOC
## isUserMatch

### Description
Checks if a given user ID matches any of the registered regex patterns for users.

### Method
isUserMatch

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (boolean) - True if the user ID matches a registered pattern, false otherwise.

#### Response Example
None

### Parameters
#### userId
- **userId** (string) - Required - The user ID to check.
#### onlyExclusive
- **onlyExclusive** (boolean) - Required - If true, only exclusive regexes will be considered for matching. If false, both exclusive and non-exclusive regexes will be considered.
```

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

### Method: setSenderLocalpart

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/classes/AppServiceRegistration.html

Sets the desired user ID localpart for the app service itself.

```APIDOC
## setSenderLocalpart

### Description
Sets the desired user ID localpart for the app service itself.

### Method
setSenderLocalpart

### Endpoint
N/A

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Request Example
None

### Response
#### Success Response (200)
- **return value** (void) - This method does not return a value.

#### Response Example
None

### Parameters
#### senderLocalpart
- **senderLocalpart** (string) - Required - The localpart for the app service's user ID.
```

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

### Interface AppServiceOutput

Source: https://matrix-org.github.io/matrix-appservice-node/1.0.0/interfaces/AppServiceOutput.html

Defines the structure of the AppServiceOutput object used for application service configuration.

```APIDOC
## Interface AppServiceOutput

### Properties
- **as_token** (string) - Required - The application service token.
- **hs_token** (string) - Required - The homeserver token.
- **id** (string) - Required - The unique identifier for the application service.
- **sender_localpart** (string) - Required - The localpart of the application service user.
- **url** (null | string) - Required - The URL of the application service.
- **de.sorunome.msc2409.push_ephemeral** (boolean) - Optional - Push ephemeral events flag.
- **namespaces** (object) - Optional - Configuration for aliases, rooms, and users namespaces.
- **protocols** (null | string[]) - Optional - List of supported protocols.
- **rate_limited** (boolean) - Optional - Whether the application service is rate limited.
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.