{ "$schema":              "https://json-schema.org/draft/2020-12/schema",
  "$id":                  "https://schemas.mpai.community/AIH1/V1.0/data/HealthData.json",
  "title":                "Health Data V1.0", 
  "description":          "Schema for raw health data.", 
  "type":                 "object",
  "additionalProperties": false, 
  "required":             [ "Header", "HealthDataID", "HealthDataTime", "HealthDataData" ], 
  "properties":           {

    "Header":             { "type": "string", "pattern": "^AIH-HLD-V[0-9]{1,2}[.][0-9]{1,2}$" },
    "MInstance":          { "type": "string" },
    "UEnvironment":       { "type": "string" },
    "EndUserID":          { "type": "string" },
    "HealthDataID":       { "type": "string", "description": "Unique identifier of the HealthData record." },
    "HealthDataTime":     { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/Time.json",
                            "description": "Timestamp of the health data." },

    "HeaalthlData":       { "type": "array", "items": { "anyOf": [      
                          { "type": "object", "properties": { "Data": { "type": "string" } } },
                          { "type": "object", "properties": { "DataLength": { "type": "integer" }, 
                                                              "DataURI": { "type": "string", "format": "uri" } } },
                          { "type": "object", "properties": { "ID": { "type": "string" } } } ] } },

      "DataQualifier":    { "$ref": "https://schemas.mpai.community/TFA/V1.5/data/HealthDataQualifier.json",
                            "description": "Health Data Qualifier." },

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