Testing asynchronous services Use the asynchronous callback services for inter-object communications in a service test. Asynchronous service testing overviewAsynchronous services use a callback interaction pattern for inter-object communications. Asynchronous services can be used, for example, in publish-subscribe systems that are provided by message-oriented middleware vendors or in system and device management domains.Creating an asynchronous request structureYou can create an asynchronous request based on the WS-Notification specification, which contains an callback structure.Adding an asynchronous callback to a service requestTo test a proprietary asynchronous service that does not implement the WS-Notification specification, you can add an asynchronous callback to a service request or XML request.Parent topic: Editing service testsRelated conceptsWeb service test editor overviewAdding elements to a socket testRelated tasksVerifying application behaviorWorking with Server Name Indication (SNI) recordingsManaging JMS/MQ connections in a service testEditing WSDL security profilesCreating a reliable messaging call structure