message: Updating User Properties
diff: }
  },
  "userProperties": {
  + "type": "array",
  + "description": "Activity user properties.",
  + "items": {
  + "$ref": "#/definitions/UserProperty"
  + }
  + }
  + },
  + "required": [
  + "name",
  + "type"
  + ]
  + },
  + "UserProperty": {
  + "description": "User property.",
  "type": "object",
  - "additionalProperties": {
  + "properties": {
  + "name": {
  + "description": "User proprety name.",
  "type": "string"
  },
  - "description": "Activity user properties."
  - }
  - },
  - "additionalProperties": {
  + "value": {
  + "description": "User proprety value. Type: string (or Expression with resultType string).",
  "type": "object"
  + }
  },
  "required": [
  "name",
  - "type"
  + "value"
  ]
  },
  "ActivityDependency": {
  