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

    "Header":         { "type": "string", "pattern": "^MMM-VAL-V[0-9]{1,2}[.][0-9]{1,2}$" },
    "MInstanceID":    { "type": "string" },
    "UEnvironmentID": { "type": "string" },
    "ValueID":        { "type": "string" },
    "ValueTime":      { "$ref": "https://schemas.mpai.community/OSD/V1.5/data/Time.json" },

    "Amount":         { "type": "number" },

    "Currency":       { "$ref": "https://schemas.mpai.community/MMM4/V2.2/data/CurrencyObject.json" },

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