https://community.appian.com/discussions/f/general/28264/is-it-possible-to-make-a-synchronous-webapiHello, I&#39;m trying to create a POST method WebAPI that waits for its process model to end. I need to receive a JSON data type, process this data, and return an XML generated with the process model as the WebAPI response, is it possible to process the JSONen-USTelligent Community 12https://community.appian.com/thread/111143?ContentTypeID=1Mon, 17 Apr 2023 10:03:02 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:8e27fe58-7806-490a-bcb2-7a49317c5822eddien5334<p>Using process chaining, you can make the process wait until the chain is done before returning.</p> <p><span style="color:#ffffff;"><a style="color:#ffffff;" href="https://phrazle-wordle.com/">phrazle</a></span></p><div style="clear:both;"></div>https://community.appian.com/thread/110451?ContentTypeID=1Mon, 03 Apr 2023 18:06:17 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:3f6665e3-5312-4c85-9711-13de083785f8Abhay Dalsaniya<p>As mentioned by Stefen, you can have the activity chaining all the way to your PM and the OnSuccess/OnFailure&nbsp;will wait until the process gets completed. You can also have PV as a flag to get the status etc and can be retrieved within the&nbsp;<span>OnSuccess/OnFailure using fv!provessInfo.</span></p><div style="clear:both;"></div>https://community.appian.com/thread/110433?ContentTypeID=1Mon, 03 Apr 2023 14:22:40 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:574fa4ce-a961-488e-93b5-43eca5eacbcdStefan Helzle<p>You can use process chaining to make the process wait to the end of the chain before returning.</p><div style="clear:both;"></div>