{ "$schema":                          "https://json-schema.org/draft/2020-12/schema",
  "$id":                              "https://schemas.mpai.community/OSD/V1.5/data/BasicUltrasoundObject.json",
  "title":                            "Basic Ultrasound Object V1.5", 
  "type":                             "object", 
  "required":                         ["Header", "BasicUltrasoundObjectID", "BasicUltrasoundObjectSpaceTime"], 
  "additionalProperties":             false, 
  "properties":                       {

    "Header":                         { "type": "string", "pattern": "^OSD-BUO-V[0-9]{1,2}[.][0-9]{1,2}$" },
    "MInstanceID":                    { "type": "string" },
    "BasicUltrasoundObjectID":        { "type": "string" },

    "ParentObjects":                  { "type": "array", "minItems": 0, "items": { "type": "object", "required": ["ParentObjectID"], "additionalProperties": false, "properties": {
      "ParentObjectID":               { "type": "string" },
      "ParentObjectSpaceTime":        { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpaceTime.json" } } } },

    "ChildObjects":                   { "type": "array", "minItems": 0, "items": { "type": "object", "required": ["ChildObjectID"], "additionalProperties": false, 
                                        "properties": {
      "ChildObjectID":                { "type": "string" },
      "ChildObjectSpaceTime":         { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpaceTime.json" } } } },

    "BasicUltrasoundObjectSpaceTime": { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/SpaceTime.json" },

    "BasicUltrasoundData":            { "type": "array", "minItems": 0, "items": { "oneOf": [
                                      { "type": "object", "required": ["Data"], "additionalProperties": false, "properties": { 
        "Data":                       { "type": "string" } } },
                                      { "type": "object", "required": ["Length", "URI"], "additionalProperties": false, "properties": {
        "Length":                     { "type": "integer", "minimum": 0 },
        "URI":                        { "type": "string", "format": "uri" } } },
                                      { "type": "object", "required": ["ID"], "additionalProperties": false, "properties": { 
        "ID":                         { "type": "string" } } } ] } },

    "BasicUltrasoundDataQualifier":   { "$ref": "https://schemas.mpai.community/TFA/V1.5/data/UltrasoundQualifier.json" },

    "DataXMData":                     { "$ref": "https://schemas.mpai.community/PTF/V1.0/data/DataExchangeMetadata.json" },
    "DescrMetadata":                  { "type": "string", "maxLength": 2048 } } }