This command can be used as a predicate to ascertain the existence of a given variable.

v1.0.0

It returns "1" if the variable exists, else "0".

Input

{
  "type": "object",
  "properties": {
    "agentNum": {
      "type": "integer",
      "format": "int32"
    },
    "var": {
      "type": "string"
    }
  },
  "required": [
    "agentNum",
    "var"
  ],
  "additionalProperties": false
}

Output

{
  "type": "string"
}