The unique 6 character internal id that represents the customer account.

The provider side identifier for a Contact Center dialog. Messages with same 'providerDialogId' value are considered part of same conversation. If no or blank value is passed while sending a message, a new individual dialog will be created. For integrating third party providers, provide the identifier that represents an individual conversation in the third party provider.

The unique id that represents the channel provider

The name of the business account configured on the channel provider. For custom messaging integration, provide the unique id of the integration (integrationId) here.

The correlation id can be used to uniquely identify the client request. This is an optional field but when specified it will be included in any callback events and can be used to correlate the callback event with the original API request.