List all of the configuration sets associated with your Amazon Pinpoint account in the current region.
See https://www.paws-r-sdk.com/docs/pinpointsmsvoice_list_configuration_sets/ for full documentation.
pinpointsmsvoice_list_configuration_sets(NextToken = NULL, PageSize = NULL)
A token returned from a previous call to the API that indicates the position in the list of results.
Used to specify the number of items that should be returned in the response.