Where the recording file should be stored. Sinch supports Amazon S3 and Microsoft Azure Blob Storage
OptionalformatAn optional property that specifies the format of the recording file. Default value is "mp3".
OptionalnotificationAn optional property that specifies if Sinch should send your backend events when the call recording is finished and when the file is available in the destination URL specified. Default value is “true”
Optionaltranscription
Specifies the information required for the Sinch platform to authenticate and/or authorize in the destination service in order to be able to store the file.