Iot Greengrass Lambda Event Source Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-iot-greengrass/refs/heads/main/json-structure/iot-greengrass-lambda-event-source-structure.json",
  "name": "LambdaEventSource",
  "description": "Contains information about an event source for an Lambda function. The event source defines the topics on which this Lambda function subscribes to receive messages that run the function.",
  "type": "object",
  "properties": {
    "topic": {
      "allOf": [
        {
          "$ref": "#/components/schemas/TopicString"
        },
        {
          "description": "The topic to which to subscribe to receive event messages."
        }
      ]
    },
    "type": {
      "allOf": [
        {
          "$ref": "#/components/schemas/LambdaEventSourceType"
        },
        {
          "description": "<p>The type of event source. Choose from the following options:</p> <ul> <li> <p> <code>PUB_SUB</code> \u2013 Subscribe to local publish/subscribe messages. This event source type doesn't support MQTT wildcards (<code>+</code> and <code>#</code>) in the event source topic.</p> </li> <li> <p> <code>IOT_CORE</code> \u2013 Subscribe to Amazon Web Services IoT Core MQTT messages. This event source type supports MQTT wildcards (<code>+</code> and <code>#</code>) in the event source topic.</p> </li> </ul>"
        }
      ]
    }
  },
  "required": [
    "topic",
    "type"
  ]
}