{ "$schema":            "https://json-schema.org/draft/2020-12/schema",
  "$id":                "https://schemas.mpai.community/MMM4/V2.2/data/UEnvironment.json",
  "title":              "UEnvironment V2.2",
  "type":               "object",
  "properties":         {

    "Header":           { "type": "string", "pattern": "^MMM-UEN-V[0-9],{1,2},[.][0-9],{1,2}$" },
    "MInstanceID":      { "type": "string" },
    "UEnvironmentID":   { "type": "string" },
    "UEnvironmentTime": { "$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 } } }