{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "definitions": {
    "commandOptions": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": [
          "Add",
          "Config",
          "Delete",
          "Extension1",
          "Extension2",
          "Extension3",
          "Extension4",
          "Import",
          "Offline",
          "PagingHandled",
          "Poll",
          "ProcessTimingAsTimespan",
          "Replace",
          "SendErrorMessage",
          "SendWriteValue",
          "Transaction",
          "UniqueHash",
          "ValidateRead"
        ]
      }
    }
  },
  "properties": {
    "apiVersion": {
      "type": "number"
    },
    "serverTiming": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "value": {
            "type": "number"
          }
        },
        "required": [
          "name",
          "value"
        ]
      },
      "description": "A list of websocket timing measurements in ms. Only available in diagnostics mode."
    },
    "requestType": {
      "type": "string",
      "enum": [
        "ReadWrite",
        "Subscription",
        "Event"
      ],
      "default": "ReadWrite"
    },
    "error": {
      "type": "object",
      "properties": {
        "code": {
          "type": "integer",
          "minimum": 0
        },
        "message": {
          "type": "string"
        },
        "reason": {
          "type": "string"
        }
      }
    },
    "customerData": {
      "type": "string"
    },
    "id": {
      "type": "number",
      "default": 0.0
    },
    "intervalTime": {
      "type": "integer",
      "minimum": 5
    },
    "sessionId": {
      "type": "string"
    },
    "serverId": {
      "type": "string"
    },
    "commands": {
      "type": "array",
      "minItems": 1,
      "items": {
        "type": "object",
        "properties": {
          "version": {
            "type": "number"
          },
          "symbol": {
            "type": "string"
          },
          "customerData": {
            "type": "string"
          },
          "extensionData": {
            "type": "object",
            "additionalProperties": {
              "type": "object",
              "additionalProperties": true,
              "properties": {
                "TcHmiSrv": {
                  "type": "object",
                  "properties": {
                    "previousValue": {},
                    "userBeforeReauthentication": {
                      "type": "object",
                      "additionalProperties": true,
                      "properties": {
                        "sessionId": {
                          "type": "string"
                        },
                        "userName": {
                          "type": "string"
                        }
                      }
                    },
                    "reauthentication": {},
                    "reviewer": {}
                  }
                }
              }
            }
          },
          "limit": {
            "type": "integer",
            "minimum": 0,
            "default": 0
          },
          "offset": {
            "type": "integer",
            "minimum": 0,
            "default": 0
          },
          "orderBy": {
            "type": "string"
          },
          "filter": {
            "$ref": "tchmi:server#/definitions/filter"
          },
          "filterMap": {
            "type": "array",
            "items": {
              "type": "integer"
            }
          },
          "maxEntries": {
            "type": "integer",
            "minimum": 0,
            "default": 0,
            "readOnly": true
          },
          "writeValue": {},
          "readValue": {},
          "symbolOptions": {},
          "commandIndex": {
            "type": "integer",
            "minimum": 0,
            "readOnly": true
          },
          "processedStart": {
            "oneOf": [
              {
                "$ref": "tchmi:general#/definitions/DateTime"
              },
              {
                "$ref": "tchmi:general#/definitions/TimeSpan"
              }
            ]
          },
          "processedEnd": {
            "oneOf": [
              {
                "$ref": "tchmi:general#/definitions/DateTime"
              },
              {
                "$ref": "tchmi:general#/definitions/TimeSpan"
              }
            ]
          },
          "error": {
            "type": "object",
            "properties": {
              "code": {
                "type": "integer",
                "minimum": 0
              },
              "message": {
                "type": "string"
              },
              "reason": {
                "type": "string"
              },
              "domain": {
                "type": "string"
              },
              "errors": {
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "code": {
                      "type": "integer",
                      "minimum": 0
                    },
                    "message": {
                      "type": "string"
                    },
                    "reason": {
                      "type": "string"
                    },
                    "domain": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          },
          "maxSubSymbolDepth": {
            "type": "number"
          },
          "commandOptions": {
            "$ref": "#/definitions/commandOptions"
          },
          "disabledCommandOptions": {
            "$ref": "#/definitions/commandOptions"
          }
        },
        "required": [
          "symbol"
        ]
      }
    }
  },
  "required": [
    "commands"
  ]
}