List of channel identities. Array must contain at least one item.
Optionalchannel_List of channels defining the channel priority. The channel at the top of the list is tried first.
Optionaldisplay_The display name. A default 'Unknown' will be assigned if left empty.
OptionalemailEmail of the contact.
Optionalexternal_Contact identifier in an external system.
OptionalmetadataMetadata associated with the contact. Up to 1024 characters long.
A participant in a conversation typically representing a person. It is associated with a collection of channel identities.