For CARD_CLICKED interaction events, the types of interactions with dialogs.

To learn more about Google Chat app interaction events, see Receive and respond to interactions with your Google Chat app.

TYPE_UNSPECIFIED Default value. Unspecified.
REQUEST_DIALOG A user opens a dialog.
SUBMIT_DIALOG A user clicks an interactive element of a dialog. For example, a user fills out information in a dialog and clicks a button to submit the information.
CANCEL_DIALOG A user closes a dialog without submitting information, or the dialog is canceled.