Rich Business Messaging (RBM) suggestion. Suggestions allow user to easily select/click a predefined response or perform an action (like opening a web uri).
This message has
oneof_ fields (mutually exclusive fields).
For each oneof, at most one member field can be set at the same time.
Setting any member of the oneof automatically clears all other
Predefined replies for user to select instead of typing This field is a member of `oneof`_ ``suggestion``.
Predefined client side actions that user can choose This field is a member of `oneof`_ ``suggestion``.