How to call a single event in a process from an external systemhttps://community.appian.com/discussions/f/integrations/19006/how-to-call-a-single-event-in-a-process-from-an-external-systemGood afternoon, How can I activate a single event(receive message) in a process from an external system like Postman. Thanks in advance for your support!en-USTelligent Community 12RE: How to call a single event in a process from an external systemhttps://community.appian.com/thread/74590?ContentTypeID=1Mon, 08 Jun 2020 17:48:35 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:a14b693d-0117-415e-afef-d03c05b9b33cRobert Shankin<p>Appian makes short work of this!</p> <p>Please review<a href="https://docs.appian.com/suite/help/20.1/Designing_Web_APIs.html#creating-a-web-api"> the documentation regarding Appian web API&#39;</a>s.<br /><a href="https://docs.appian.com/suite/help/20.1/Web_APIs.html">https://docs.appian.com/suite/help/20.1/Web_APIs.html<br /></a><a href="https://docs.appian.com/suite/help/20.1/Web_API_Tutorial.html">https://docs.appian.com/suite/help/20.1/Web_API_Tutorial.html</a><a href="https://docs.appian.com/suite/help/20.1/Web_APIs.html"><br /></a></p> <p>You&#39;ll want to create an Appian Web API and select the template Create/Start Process.</p> <p>Comment here or provide feedback in the docs if you have trouble with the tutorial.</p><div style="clear:both;"></div>