Optionalbiz_opaque_callback_data?: stringOptionalparent_recipient_user_id?: stringWill be set to the user’s parent BSUID if you have enabled parent BSUIDs
Optionalrecipient_id?: stringWill be set to the user’s phone number, if you sent the message to the user’s phone number. Will be set to the group ID, if you sent the message to a group. Will be omitted if you sent the message to the user’s BSUID or parent BSUID.
Optionalrecipient_type?: "individual" | "group"If the recipient is a user or a group, defaults to "individual"
Optionalrecipient_user_id?: stringWill be set to the user’s BSUID or parent BSUID, if you sent the message to the user’s BSUID or parent BSUID. Otherwise, it will be omitted. (Mini rant: WHY OMIT IT!!!!????)
The message's status
The message's timestamp
The message's ids