Message Types and Message Format Types

Message types and message format types are referred by the List Conversation Entries and Server-Sent Events Structure sections.

Message Type (messageType)	Description
StaticContentMessage	A message containing static content. No specific response is expected. For a sample payload, see StaticContentMessage.
ChoicesMessage	A message with some choices from which the recipient can choose. A response of type ChoicesResponse is expected but not required. This API doesn't cause CRM changes, such as creating and updating records, but sometimes results in conversation routing in bots. For a sample payload, see ChoicesMessage.
ChoicesResponseMessage	A message with the selected choices as a response to a Choices message. For a sample payload, see ChoicesResponseMessage.
FormMessage	A message with a form containing multiple single or multiselect choices that a recipient can choose from. A response of type FormResponse is expected but not required. For a sample payload, see FormMessage.
FormResponseMessage	A message with the form selection as a response to a Form message. The message results in a record being created or updated in the CRM database. For a sample payload, see FormResponseMessage.

Each message type supports specific format types, and each format type determines the shape of the payload.

For example, messageType StaticContentMessage supports formatType Text, RichLink, Attachments, ExternalAttachments, and WebView, If, say, messageType is StaticContentMessage and formatType is Text, the payload includes the details of the message in plain text:

This table lists all message types and their possible format types.

Message Type (messageType)	Format Type (formatType)		Description
StaticContentMessage	Text	Send and receive	Plain text. For a sample payload, see StaticContentMessage.
StaticContentMessage	RichLink	Receive	A rich link containing an inline image or video. For a sample payload, see StaticContentMessage.
StaticContentMessage	Attachments	Receive	Attachments stored in the CRM. Sent with MT messages. Can have optional text. For a sample payload, see StaticContentMessage.
StaticContentMessage	ExternalAttachments	Send	External attachments not stored in the CRM. Sent with MO messages. Can have optional text. For a sample payload, see StaticContentMessage.
StaticContentMessage	WebView	Receive	Web page sent. For a sample payload, see StaticContentMessage.
ChoicesMessage	Buttons	Receive	A text with buttons with a title. The buttons can be postbacks. For a sample payload, see ChoicesMessage.
ChoicesMessage	QuickReplies	Receive	An optional text with buttons that has titles and/or images. All buttons are postbacks. For a sample payload, see ChoicesMessage.
ChoicesMessage	Carousel	Receive	A set of items that can include images, text, and buttons. The buttons can be postbacks. For a sample payload, see ChoicesMessage.
ChoicesResponseMessage	Selections	Send	Selections of options from choices or forms. Always set for choice and form response. For a sample payload, see ChoicesResponseMessage.
FormMessage	Inputs	Receive	Sends a form from the agent side. For a sample payload, see FormMessage.
FormResponseMessage	Result	Send	The end user’s responses to the form sent from the agent. For a sample payload, see FormResponseMessage.