UpdateContactCallbackNumber - Amazon Connect


Updates the contact callback number, which is the number used by the CreateCallbackContact action. This value defaults to the customer participant caller ID if this action is never used.

Parameter object

{ "CallbackNumber": The callback number to set. Must be a single, valid JSONPath reference, and cannot be set statically. }

Results and conditions



  • InvalidCallbackNumber - The callback number specified was not a valid (e.164) phone number.

  • CallbackNumberNotDialable - The callback number specified is not dialable by the instance.


This is supported only in contact flows, transfer flows, and customer queue flows. This is not supported in whispers or hold flows.

Corresponding block in the UI

Set callback number