### Address JSON Examples

Source: https://register.apple.com/resources/imdf/types/address

Examples of unqualified and unit-qualified address objects.

```json
  # unqualified building address
  {
    "id": "11111111-1111-1111-1111-111111111111",
    "type": "Feature",
    "feature_type": "address",
    "geometry": null,
    "properties": {
      "address": "123 E. Main Street",
      "unit": null,
      "locality": "Anytown",
      "province": "US-CA",
      "country": "US",
      "postal_code": "12345",
      "postal_code_ext": "1111"
    }
  },

  # unit-qualified address
  {
    "id": "22222222-2222-2222-2222-222222222222",
    "type": "Feature",
    "feature_type": "address",
    "geometry": null,
    "properties": {
      "address": "123 E. Main Street",
      "unit": "1A",
      "locality": "Anytown",
      "province": "US-CA",
      "country": "US",
      "postal_code": "12345",
      "postal_code_ext": "1111"
    }
  },
  ...
```

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

### IMDF Manifest JSON Example

Source: https://register.apple.com/resources/imdf/apple/apple_guidance

Example of a valid IMDF manifest file including the mandatory origin property for tracking re-exported archives.

```json
{
  "version": "1.0.0",
  "created": "2020-09-09T12:34:56",
  "generated_by": "FME 2019.0 b19238",
  "language": "en-US",
  "extensions": [ "imdf:extension:big-company:internal#1.0.0" ],
  "origin": "03a2113f-8296-4f64-b089-c512ffc6d5fb"
}
```

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

### Venue Address Example

Source: https://register.apple.com/resources/imdf/types/address

Example of an address object for a venue that does not possess a street address.

```json
  {
    "id": "11111111-1111-1111-1111-111111111111",
    "type": "Feature",
    "feature_type": "address",
    "geometry": null,
    "properties": {
      "address": "Buckingham Palace",
      "unit": null,
      "locality": "London",
      "province": "GB-ENG",
      "country": "GB",
      "postal_code": "SW1A 1AA",
      "postal_code_ext": null
    }
  },
 ...
```

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

### Geofence JSON Object Example

Source: https://register.apple.com/resources/imdf/types/geofence

A complete example of a Geofence feature object including geometry and properties.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "geofence",
  "geometry": {
    "type": "Polygon",
    "coordinates": [
      [
        [100.0, 0.0],
        [101.0, 0.0],
        [101.0, 1.0],
        [100.0, 1.0],
        [100.0, 0.0]
      ]
    ]
  },
  "properties": {
    "category": "geofence",
    "restriction": "employeesonly",
    "name": {
      "en": "Employee Parking"
    },
    "alt_name": null,
    "correlation_id": null,
    "display_point": {
      "type": "Point",
      "coordinates": [100.0, 0.0]
    },
    "building_ids": ["2222222-2222-2222-2222-222222222222"],
    "level_ids": [
      "33333333-3333-3333-3333-333333333333",
      "44444444-4444-4444-4444-444444444444"
    ],
    "parents": null
  }
}
```

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

### Declare Extension in Manifest

Source: https://register.apple.com/resources/imdf/reference/extensions

Example of including an extension identifier within the extensions array of an IMDF manifest.

```json
{
  "version": "1.0.0",
  "created": "2020-09-09T12:34:56",
  "language": "en-US",
  "generated_by": null,
  "extensions": [ "imdf:extension:big-company:internal#1.0.0" ]
}
```

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

### Fixture Feature JSON Example

Source: https://register.apple.com/resources/imdf/types/fixture

A standard JSON representation of a Fixture feature including required properties and geometry.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "fixture",
  "geometry": {
    "type": "Polygon",
    "coordinates": [
      [
        [100.0, 0.0],
        [101.0, 0.0],
        [101.0, 1.0],
        [100.0, 1.0],
        [100.0, 0.0]
      ]
    ]
  },
  "properties": {
    "category": "desk",
    "name": null,
    "alt_name": null,
    "anchor_id": null,
    "display_point": {
      "type": "Point",
      "coordinates": [ 100.0, 1.0 ],
    },
    "level_id": "2222222-2222-2222-2222-222222222222"
  }
}
```

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

### Define a Venue Feature

Source: https://register.apple.com/resources/imdf/types/venue

Example of a JSON object representing a Venue feature with required properties and geometry.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "venue",
  "geometry": {
    "type": "Polygon",
    "coordinates": [
      [
        [100.0, 0.0],
        [101.0, 0.0],
        [101.0, 1.0],
        [100.0, 1.0],
        [100.0, 0.0]
      ]
    ]
  },
  "properties": {
    "category": "shoppingcenter",
    "restriction": null,
    "name": {
      "en": "Test Venue"
    },
    "alt_name": null,
    "hours": "Mo-Fr 08:30-20:00",
    "website": "http://example.com",
    "phone": "+12225551212",
    "display_point": {
      "type": "Point",
      "coordinates": [ 100.0, 1.0 ],
    },
    "address_id": "22222222-2222-2222-2222-222222222222",
  }
}
```

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

### Define a Section Feature

Source: https://register.apple.com/resources/imdf/types/section

Example of a valid Section feature object including required geometry and property fields.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "section",
  "geometry": {
    "type": "Polygon",
    "coordinates": [
      [
        [100.0, 0.0],
        [101.0, 0.0],
        [101.0, 1.0],
        [100.0, 1.0],
        [100.0, 0.0]
      ]
    ]
  },
  "properties": {
    "category": "parking",
    "restriction": "restricted",
    "accessibility": "wheelchair",
    "name": {
      "en": "Parking"
    },
    "alt_name": null,
    "display_point": {
      "type": "Point",
      "coordinates": [ 100.0, 1.0 ],
    },
    "level_id": "22222223-2222-2222-2222-222222222222",
    "address_id": null,
    "correlation_id": null,
    "parents": ["44444444-4444-4444-4444-444444444444"]
  }
}
```

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

### Opening Feature JSON Object

Source: https://register.apple.com/resources/imdf/types/opening

A complete example of an Opening feature object, including required geometry and optional property fields.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "opening",
  "geometry": {
    "type": "LineString",
    "coordinates": [
      [100.0, 0.0],
      [101.0, 1.0]
    ]
  },
  "properties": {
    "category": "pedestrian",
    "accessibility": [
      "wheelchair",
      "tactilepaving"
    ],
    "access_control": [
      "badgereader"
    ],
    "door": {
      "automatic": true,
      "material": "glass",
      "type": "sliding"
    },
    "name": {
      "en": "Door A"
    },
    "alt_name": null,
    "display_point": null,
    "level_id": "22222222-2222-2222-2222-222222222222"
  }
}
```

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

### Kiosk Feature JSON Example

Source: https://register.apple.com/resources/imdf/types/kiosk

A standard JSON representation of a Kiosk feature including required geometry and property fields.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "kiosk",
  "geometry": {
    "type": "Polygon",
    "coordinates": [
      [
        [100.0, 0.0],
        [101.0, 0.0],
        [101.0, 1.0],
        [100.0, 1.0],
        [100.0, 0.0]
      ]
    ]
  },
  "properties": {
    "name": null,
    "alt_name": null,
    "anchor_id": null,
    "display_point": null,
    "level_id": "2222222-2222-2222-2222-222222222222"
  }
}
```

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

### Define a Door object

Source: https://register.apple.com/resources/imdf/reference/type_designators

Example of a JSON object representing a door with type, automatic status, and material properties.

```json
{
  "type": "sliding",
  "automatic": true,
  "material": "glass"
}
```

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

### Occupant JSON Object Example

Source: https://register.apple.com/resources/imdf/types/occupant

A standard JSON representation of an Occupant feature, including required fields and property attributes.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "occupant",
  "geometry": null,
  "properties": {
    "category": "restaurant",
    "name": {
      "en": "Example Restaurant"
    },
    "phone": "+12225551212",
    "website": "http://example.com",
    "hours": "Mo-Fr 08:30-20:00",
    "validity" : {
      "start": "2018-03-01T00:00:00+05:00",
      "end": "2018-10-01T11:59:59+05:00",
      "modified": "2018-01-01T12:34:56+05:00"
    },
    "anchor_id": "22222222-2222-2222-2222-222222222222",
    "correlation_id": null
  }
}
```

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

### Define a Feature reference

Source: https://register.apple.com/resources/imdf/reference/type_designators

Example of a JSON object used to reference a feature using its ID and feature type.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "feature_type": "unit"
}
```

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

### Apply Extension Property to Unit Feature

Source: https://register.apple.com/resources/imdf/reference/extensions

Example of a Unit feature utilizing a custom 'office_id' property defined by an extension.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "unit",
  "geometry": {
    "type": "Polygon",
    "coordinates": [
      [
        [100.0, 0.0],
        [101.0, 0.0],
        [101.0, 1.0],
        [100.0, 1.0],
        [100.0, 0.0]
      ]
    ]
  },
  "properties": {
    "category": "office",
    "office_id": "O-72551",
    "restriction": null,
    "accessibility": null,
    "name": {
      "en": "Ball Room"
    },
    "alt_name": null,
    "display_point": {
      "type": "Point",
      "coordinates": [ 100.0, 1.0 ],
    },
    "level_id": "22222223-2222-2222-2222-222222222222"
  }
}
```

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

### Relationship Feature JSON Structure

Source: https://register.apple.com/resources/imdf/types/relationship

Example of a directed relationship between two units via an opening.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "traversal",
    "direction": "directed",
    "hours": null,
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "unit"
    },
    "intermediary": [{
      "id": "33333333-3333-3333-3333-333333333333",
      "feature_type": "opening"
    }],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "unit"
    }
  }
}
```

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

### Define Entity Labels

Source: https://register.apple.com/resources/imdf/reference/type_designators

Examples of JSON objects used to capture lexical labels for entities across multiple languages.

```json
{
  "en": "red",
  "es": "rojo",
  "fi": "punainen",
  "fr": "rouge",
  "it": "rosso",
  "jp": "赤"
}
```

```json
{
  "en-US": "Center Pavillion",
  "en-GB": "Centre Pavillion"
}
```

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

### Amenity JSON Object Example

Source: https://register.apple.com/resources/imdf/types/amenity

A standard JSON representation of an Amenity feature, including required geometry and property fields.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "amenity",
  "geometry": {
    "type": "Point",
    "coordinates": [1.0, 2.0]
  },
  "properties": {
    "category": "phone",
    "accessibility": ["tdd", "trs"],
    "name": null,
    "alt_name": null,
    "phone": null,
    "website": null,
    "hours": null,
    "unit_ids": ["22222222-2222-2222-2222-222222222222"],
    "address_id": null,
    "correlation_id": null
  }
}
```

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

### Define an IMDF Level feature object

Source: https://register.apple.com/resources/imdf/types/level

Example of a valid Level feature object including required geometry and properties.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "level",
  "geometry": {
    "type": "Polygon",
    "coordinates": [
      [
        [100.0, 0.0],
        [101.0, 0.0],
        [101.0, 1.0],
        [100.0, 1.0],
        [100.0, 0.0]
      ]
    ]
  },
  "properties": {
    "category": "parking",
    "restriction": null,
    "ordinal": 0,
    "outdoor": false,
    "name": {
      "en": "Ground Floor"
    },
    "short_name": {
      "en": "1"
    },
    "display_point": {
      "type": "Point",
      "coordinates": [ 100.0, 1.0 ],
    },
    "address_id": null,
    "building_ids": ["2222222-2222-2222-2222-222222222222"]
  }
}
```

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

### Anchor JSON Object Example

Source: https://register.apple.com/resources/imdf/types/anchor

A standard representation of an Anchor feature including required ID, type, geometry, and property references.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "anchor",
  "geometry": {
    "type": "Point",
    "coordinates": [1.0, 2.0]
  },
  "properties": {
    "address_id": "22222222-2222-2222-2222-222222222222",
    "unit_id": "33333333-3333-3333-3333-333333333333"
  }
}
```

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

### Detail Feature JSON Structure

Source: https://register.apple.com/resources/imdf/types/detail

Example of a valid Detail feature object including the required ID, feature type, geometry, and level_id property.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "detail",
  "geometry": {
    "type": "LineString",
    "coordinates": [
      [100.0, 0.0],
      [101.0, 1.0]
    ]
  },
  "properties": {
    "level_id": "22222222-2222-2222-2222-222222222222"
  }
}
```

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

### Define Temporality Object

Source: https://register.apple.com/resources/imdf/reference/type_designators

Example of a JSON object representing temporal availability using ISO-8601 formatted date-time strings.

```json
{
  "start": "2018-06-01T00:00:00+05:00",
  "end": "2018-12-31T11:59:59+05:00",
  "modified": "2018-03-01T12:34:56+05:00"
}
```

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

### Multiple Undirected Ramp Relationships

Source: https://register.apple.com/resources/imdf/types/relationship

Demonstrates capturing multiple distinct undirected ramp relationships separately when an origin connects to multiple destinations.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "ramp",
    "direction": "undirected",
    "hours": null,
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "opening"
    },
    "intermediary": [
      {
        "id": "55555555-5555-5555-5555-555555555555",
        "feature_type": "unit"
      },
      {
        "id": "66666666-6666-6666-6666-666666666666",
        "feature_type": "unit"
      }
    ],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "opening"
    }
  }
}
```

```json
{
  "id": "99999999-9999-9999-9999-999999999999",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "ramp",
    "direction": "undirected",
    "hours": null,
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "opening"
    },
    "intermediary": [
      {
        "id": "55555555-5555-5555-5555-555555555555",
        "feature_type": "unit"
      },
      {
        "id": "66666666-6666-6666-6666-666666666666",
        "feature_type": "unit"
      }
    ],
    "destination": {
      "id": "77777777-7777-7777-7777-777777777777",
      "feature_type": "opening"
    }
  }
}
```

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

### Model an accessible Opening feature

Source: https://register.apple.com/resources/imdf/glossary

Represents an Opening feature configured for wheelchair accessibility.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "opening",
  "geometry": {
    "type": "LineString",
    "coordinates": [
      [100.0, 0.0],
      [101.0, 1.0]
    ]
  },
  "properties": {
    "category": "pedestrian.principal",
    "accessibility": [ "wheelchair"],
    "door": {
      "automatic": true,
      "material": "glass",
      "type": "revolving",
    },
    "name": {
      "en": null,
    "alt_name": null,
    "display_point": null,
    "level_id": "22222222-2222-2222-2222-222222222222"
  }
}
```

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

### Building Feature JSON Object

Source: https://register.apple.com/resources/imdf/types/building

Represents a standard Building feature record with required and optional properties.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "building",
  "geometry": null,
  "properties": {
    "category": "parking",
    "restriction": "employeesonly",
    "name": {
      "en": "Parking Garage 1"
    },
    "alt_name": null,
    "display_point": {
      "type": "Point",
      "coordinates": [1.0, 2.0]
    },
    "address_id": "2222222-2222-2222-2222-222222222222"
  }
}
```

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

### Model an Opening feature with a revolving door

Source: https://register.apple.com/resources/imdf/glossary

Represents an Opening feature using a LineString geometry and a revolving door property configuration.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "opening",
  "geometry": {
    "type": "LineString",
    "coordinates": [
      [100.0, 0.0],
      [101.0, 1.0]
    ]
  },
  "properties": {
    "category": "pedestrian.principal",
    "accessibility": null,
    "door": {
      "automatic": true,
      "material": "glass",
      "type": "revolving",
    },
    "name": {
      "en": "7"
    },
    "alt_name": null,
    "display_point": null,
    "level_id": "22222222-2222-2222-2222-222222222222"
  }
}
```

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

### Define an IMDF manifest object

Source: https://register.apple.com/resources/imdf/manifest

A standard manifest.json structure containing required metadata fields for an IMDF archive.

```json
{
  "version": "1.0.0",
  "created": "2020-09-09T12:34:56",
  "generated_by": "FME 2019.0 b19238",
  "language": "en-US",
  "extensions": [ "imdf:extension:big-company:internal#1.0.0" ]
}
```

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

### Escalator Relationship Data Structures

Source: https://register.apple.com/resources/imdf/types/relationship

JSON representations of escalator relationships under various operational scenarios.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "escalator",
    "direction": "directed",
    "hours": null,
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "opening"
    },
    "intermediary": [
      {
        "id": "55555555-5555-5555-5555-555555555555",
        "feature_type": "unit"
      },
      {
        "id": "66666666-6666-6666-6666-666666666666",
        "feature_type": "unit"
      }
    ],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "opening"
    }
  }
}
```

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "escalator",
    "direction": "directed",
    "hours": null,
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "opening"
    },
    "intermediary": [
      {
        "id": "55555555-5555-5555-5555-555555555555",
        "feature_type": "unit"
      },
      {
        "id": "66666666-6666-6666-6666-666666666666",
        "feature_type": "unit"
      },
      {
        "id": "77777777-7777-7777-7777-777777777777",
        "feature_type": "unit"
      },
      {
        "id": "88888888-8888-8888-8888-888888888888",
        "feature_type": "unit"
      }
    ],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "opening"
    }
  }
}
```

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "escalator",
    "direction": "directed",
    "hours": "Mo-Su 05:00-11:59",
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "opening"
    },
    "intermediary": [
      {
        "id": "55555555-5555-5555-5555-555555555555",
        "feature_type": "unit"
      },
      {
        "id": "66666666-6666-6666-6666-666666666666",
        "feature_type": "unit"
      }
    ],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "opening"
    }
  }
}
```

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "escalator",
    "direction": "directed",
    "hours": "Mo-Su 12:00-04:59",
    "origin": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "opening"
    },
    "intermediary": [
      {
        "id": "55555555-5555-5555-5555-555555555555",
        "feature_type": "unit"
      },
      {
        "id": "66666666-6666-6666-6666-666666666666",
        "feature_type": "unit"
      }
    ],
    "destination": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "opening"
    }
  }
}
```

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

### Define Multi-Step Traversal Relationships

Source: https://register.apple.com/resources/imdf/types/relationship

Represents a traversal path involving multiple intermediaries, where each segment is captured as a separate relationship record.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "traversal",
    "direction": "directed",
    "hours": null,
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "unit"
    },
    "intermediary": [{
      "id": "33333333-3333-3333-3333-333333333333",
      "feature_type": "opening"
    }],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "unit"
    }
  }
}
```

```json
{
  "id": "99999999-9999-9999-9999-999999999999",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "traversal",
    "direction": "directed",
    "hours": null,
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "unit"
    },
    "intermediary": [{
      "id": "55555555-5555-5555-5555-555555555555",
      "feature_type": "opening"
    }],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "unit"
    }
  }
}
```

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

### Define a Ground Level Footprint

Source: https://register.apple.com/resources/imdf/types/footprint

Represents a single building footprint at ground level using a Polygon geometry.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "footprint",
  "geometry": {
    "type": "Polygon",
    "coordinates": [
      [
        [100.0, 0.0],
        [101.0, 0.0],
        [101.0, 1.0],
        [100.0, 1.0],
        [100.0, 0.0]
      ]
    ]
  },
  "properties": {
    "category": "ground",
    "name": null,
    "building_ids": ["22222222-2222-2222-2222-222222222222"]
  }
}
```

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

### Define Unidirectional Traversal from Unit to Outside

Source: https://register.apple.com/resources/imdf/types/relationship

Use this structure for directed traversal from an origin unit to a location outside the map scope via an opening.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "traversal",
    "direction": "directed",
    "hours": null,
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "unit"
    },
    "intermediary": [{
      "id": "33333333-3333-3333-3333-333333333333",
      "feature_type": "opening"
    }],
    "destination": null
  }
}
```

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

### Undirected Ramp Relationship

Source: https://register.apple.com/resources/imdf/types/relationship

Defines a two-way ramp relationship between two openings.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "ramp",
    "direction": "undirected",
    "hours": null,
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "opening"
    },
    "intermediary": [
      {
        "id": "55555555-5555-5555-5555-555555555555",
        "feature_type": "unit"
      },
      {
        "id": "66666666-6666-6666-6666-666666666666",
        "feature_type": "unit"
      }
    ],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "opening"
    }
  }
}
```

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

### Elevator Relationship Data Structure

Source: https://register.apple.com/resources/imdf/types/relationship

Represents a vertical traversal capability between levels using an undirected relationship with elevator units as intermediaries.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "elevator",
    "direction": "undirected",
    "hours": null,
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "unit"
    },
    "intermediary": [{
        "id": "55555555-5555-5555-5555-555555555555",
        "feature_type": "unit"
    }],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "unit"
    }
  }
}
```

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

### Unit Feature JSON Object

Source: https://register.apple.com/resources/imdf/types/unit

A standard representation of a Unit feature, including required geometry and property fields.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "unit",
  "geometry": {
    "type": "Polygon",
    "coordinates": [
      [
        [100.0, 0.0],
        [101.0, 0.0],
        [101.0, 1.0],
        [100.0, 1.0],
        [100.0, 0.0]
      ]
    ]
  },
  "properties": {
    "category": "room",
    "restriction": null,
    "accessibility": null,
    "name": {
      "en": "Ball Room"
    },
    "alt_name": null,
    "display_point": {
      "type": "Point",
      "coordinates": [ 100.0, 1.0 ],
    },
    "level_id": "22222223-2222-2222-2222-222222222222"
  }
}
```

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

### Define Bidirectional Traversal between Outside and Unit

Source: https://register.apple.com/resources/imdf/types/relationship

Use this structure for undirected traversal between a unit and a location outside the map scope via an opening.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "traversal",
    "direction": "undirected",
    "hours": null,
    "origin": null,
    "intermediary": [{
      "id": "33333333-3333-3333-3333-333333333333",
      "feature_type": "opening"
    }],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "unit"
    }
  }
}
```

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

### Directed Ramp Relationship

Source: https://register.apple.com/resources/imdf/types/relationship

Defines a one-way ramp relationship between two openings with intermediary units.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "ramp",
    "direction": "directed",
    "hours": null,
    "origin": {
      "id": "22222222-2222-2222-2222-222222222222",
      "feature_type": "opening"
    },
    "intermediary": [
      {
        "id": "55555555-5555-5555-5555-555555555555",
        "feature_type": "unit"
      },
      {
        "id": "66666666-6666-6666-6666-666666666666",
        "feature_type": "unit"
      }
    ],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "opening"
    }
  }
}
```

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

### Define Extension Identifier ABNF

Source: https://register.apple.com/resources/imdf/reference/extensions

The ABNF rule for constructing valid IMDF extension identifier strings.

```text
extension_identifier = "imdf:extension:" provider ":" name "#" version
extension_part       = (ALPHA / DIGIT) [ *VALIDCHAR (ALPHA / DIGIT) ]
provider             = extension_part
name                 = extension_part
version              = extension_part
VALIDCHAR            = ALPHA / DIGIT / "." / "-" / "_"
```

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

### Define Unidirectional Traversal from Outside to Unit

Source: https://register.apple.com/resources/imdf/types/relationship

Use this structure for directed traversal from outside the map scope to a destination unit via an opening.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "relationship",
  "geometry": null,
  "properties": {
    "category": "traversal",
    "direction": "directed",
    "hours": null,
    "origin": null,
    "intermediary": [{
      "id": "33333333-3333-3333-3333-333333333333",
      "feature_type": "opening"
    }],
    "destination": {
      "id": "44444444-4444-4444-4444-444444444444",
      "feature_type": "unit"
    }
  }
}
```

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

### Define a Composite Aerial Footprint

Source: https://register.apple.com/resources/imdf/types/footprint

Represents an aerial footprint associated with multiple buildings using a MultiPolygon geometry.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "footprint",
  "geometry": {
    "type": "MultiPolygon",
    "coordinates": [
      [
        [
          [180.0, 40.0],
          [180.0, 50.0],
          [170.0, 50.0],
          [170.0, 40.0],
          [180.0, 40.0]
        ]
      ],
      [
        [
          [-170.0, 40.0],
          [-170.0, 50.0],
          [-180.0, 50.0],
          [-180.0, 40.0],
          [-170.0, 40.0]
        ]
      ]
    ]
   },
   "properties": {
    "category": "aerial",
    "name": {
      "en": "East Wing"
    },
    "building_ids": [
      "22222222-2222-2222-2222-222222222222",
      "33333333-3333-3333-3333-333333333333"
    ]
  }
}
```

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

### Shared Correlation ID for Occupant Business Entities

Source: https://register.apple.com/resources/imdf/glossary

Occupant features representing the same business entity across multiple floors sharing a correlation_id.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "occupant",
  "geometry": null,
  "properties": {
    "category": "cinema",
    "name": {
      "en": "Regal Solomon Pond Stadium 15"
    },
    "phone": "+12225551212",
    "website": "http://example.com",
    "hours": "Mo-Fr 08:30-20:00",
    "anchor_id": "22222222-2222-2222-2222-222222222222"
    "correlation_id": "44444444-4444-4444-4444-444444444444"
  }
}
```

```json
{
  "id": "55555555-5555-5555-5555-555555555555",
  "type": "Feature",
  "feature_type": "occupant",
  "geometry": null,
  "properties": {
    "category": "cinema",
    "name": {
      "en": "Regal Solomon Pond Stadium 15"
    },
    "phone": "+12225551212",
    "website": "http://example.com",
    "hours": "Mo-Fr 08:30-20:00",
    "validity" : {
      "start": "2018-03-01",
      "end": "2020-10-01",
      "modified": "2018-01-01T12:34:56"
    },
    "anchor_id": "66666666-6666-6666-6666-666666666666"
    "correlation_id": "44444444-4444-4444-4444-444444444444"
  }
}
```

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

### Shared Correlation ID for Parking Amenities

Source: https://register.apple.com/resources/imdf/glossary

Two amenity features sharing the same correlation_id to represent the same service across different floors.

```json
{
  "id": "11111111-1111-1111-1111-111111111111",
  "type": "Feature",
  "feature_type": "amenity",
  "geometry": {
    "type": "Point",
    "coordinates": [1.0, 2.0]
  },
  "properties": {
    "category": "parking",
    "accessibility": null,
    "name": null,
    "alt_name": null,
    "phone": null,
    "website": null,
    "hours": null,
    "unit_ids": "22222222-2222-2222-2222-222222222222",
    "address_id": null,
    "correlation_id": "33333333-3333-3333-3333-3333333333333"
  }
}
```

```json
{
  "id": "44444444-4444-4444-4444-444444444444",
  "type": "Feature",
  "feature_type": "amenity",
  "geometry": {
    "type": "Point",
    "coordinates": [1.0, 2.0]
  },
  "properties": {
    "category": "parking",
    "accessibility": null,
    "name": null,
    "alt_name": null,
    "phone": null,
    "website": null,
    "hours": null,
    "unit_ids": "66666666-6666-6666-6666-666666666666",
    "address_id": null,
    "correlation_id": "33333333-3333-3333-3333-3333333333333"
  }
}
```

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