INSendMessageIntentResponseCode.unspecified The response code isn’t specified. Declarationcase unspecified See AlsoResponse StateINSendMessageIntentResponseCode.readyINSendMessageIntentResponseCode.inProgressINSendMessageIntentResponseCode.successINSendMessageIntentResponseCode.failureINSendMessageIntentResponseCode.failureRequiringAppLaunchINSendMessageIntentResponseCode.failureMessageServiceNotAvailable