The body text of the retention message that the system displays to customers.
Maximum length: 144 characters
OptionalbulletAn optional array of bullet points.
The header text of the retention message that the system displays to customers.
Maximum length: 66 characters
OptionalheaderThe position of header text, which defaults to placing header text above the body.
OptionalimageThe optional image identifier and its alternative text to appear as part of a text-based message with an image.
The request body for uploading a message, which includes the message text and an optional image reference.
UploadMessageRequestBody