Values.PayloadSourceInformation needed to configure the payload. By default, AWS IoT Events generates a standard payload in JSON for any action. This action payload contains all attribute-value pairs that have the information about the detector model instance and the event triggered the action. To configure the action payload, you can use contentExpression.
type nonrec t = {contentExpression : ContentExpression.t;The content of the payload. You can use a string expression that includes quoted strings ('<string>'), variables ($variable.<variable-name>), input values ($input.<input-name>.<path-to-datum>), string concatenations, and quoted strings that contain ${} as the content. The recommended maximum size of a content expression is 1 KB.
*)type_ : PayloadType.t;The value of the payload type can be either STRING or JSON.
*)}val to_value :
t ->
[> `Structure of
(string * [> `Enum of string | `String of ContentExpression.t ]) list ]