{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "cancel",
  "type": "object",
  "properties": {
    "context": {
      "allOf": [
        {
          "$ref": "definitions.json#/$defs/Context"
        },
        {
          "type": "object",
          "properties": {
            "action": {
              "enum": [
                "cancel"
              ]
            }
          },
          "required": [
            "action"
          ]
        }
      ]
    }
    
  },
  "required": [
    "message",
    "context"
  ]
}