{ "$schema":                                  "https://json-schema.org/draft/2020-12/schema",
  "$id":                                      "https://schemas.mpai.community/OSD/V1.5/data/BasicMultimodalSceneGeometry.json",
  "title":                                    "Basic Multimodal Scene Geometry V1.5",
  "type":                                     "object",
  "additionalProperties":                     false,
  "required":                                 [ "Header", "MultimodalSceneGeometryID" ],

  "properties":                               {

    "Header":                                 { "type": "string", "const": "OSD-BMG-V1.5" },
    "MInstanceID":                            { "type": "string", "description": "Identifier of the M-Instance." },
    "UEnvironmentID":                         { "type": "string", "description": "Identifier of the U-Environment." },
    "MultimodalSceneGeometryID":              { "type": "string", "description": "ID of this Multimodal Scene Geometry instance." },
    "MultimodalSceneGeometryTime":            { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SimpleTime.json" },
    "MultimodalObjectCount":                  { "type": "integer", "minimum": 0, "description": "Number of MultimodalObjects in Scene." },
    "MultimodalSceneGeometrySpaceTime":       { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpaceTime.json" },
    "BasicMultimodalSceneObjects":            { "type": "array", "description": "Set of Data related to MultimodalObjects in the Multimodal Scene.", "items": { "type": "object", "additionalProperties": false, "properties": {
      "MultimodalSceneObjectQualifiers":      { "$ref": "https://schemas.mpai.community/TFA/V1.5/data/AnyQualifier.json" },
      "BasicMultimodalSceneObjectSpaceTime":  { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpaceTime.json" } } } },

    "DataXMData":                             { "$ref": "https://schemas.mpai.community/PTF/V1.0/data/DataExchangeMetadata.json" },
    "DescrMetadata":                          { "type": "string", "maxLength": 2048, "description": "Descriptive Metadata" } } }