payload property
This field can be used to pass custom data to your webhook.
Arbitrary JSON objects are supported. If supplied, the value is used to
populate the WebhookRequest.original_detect_intent_request.payload field
sent to your webhook.
The values for Object must be JSON objects. It can consist of num,
String, bool and null as well as Map and List values.
Implementation
core.Map<core.String, core.Object?>? payload;