{
    "definitions": {},
    "$schema": "http://json-schema.org/draft-07/schema#",
    "$id": "urn:cadmium:1",
    "type": "object",
    "title": "Protocol Error Schema",
    "required": [
      "errCode",
      "errText"
    ],
    "additionalProperties": false,
    "properties": {
      "errCode": {
        "$id": "#/properties/errCode",
        "type": "integer",
        "title": "Error Code",
        "description": "Error code (defined in extensions, may be same per extensions)",
        "examples": [
          0,
          1,
          2,
          3,
          4
        ]
      },
      "errText": {
        "$id": "#/properties/errText",
        "type": "string",
        "title": "Error Text",
        "description": "Explanation of error in human-readable view",
        "examples": [
          "Incorrect type of message (type isn't implemented in the server)",
          "Rate-limit exceed"
        ]
      },
      "errPayload": {
        "$id": "#/properties/errPayload",
        "type": "object",
        "title": "Error Payload",
        "description": "Advanced error information (fields defined in extensions)"
      }
    }
  }