https://community.appian.com/discussions/f/new-to-appian/23489/why-the-parent-interface-can-t-trigger-any-function-of-child-interfaceI am succeed a project from others people did, i don&#39;t know how they did, i am trying to create a child interface and button inside to trigger process model, i have combine it into parent interface already, how ever that button from parent interface noen-USTelligent Community 12https://community.appian.com/thread/90003?ContentTypeID=1Fri, 21 Jan 2022 15:06:21 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:92ccc149-76d4-482a-b798-b4c9448d6063Mike Schmitt<p>If you&#39;re able to see &amp; click on the button contained in the child interface, then whether or not it&#39;s doing what you expect isn&#39;t impacted by the fact that it&#39;s contained in a child interface.&nbsp; You have some other issue, though you haven&#39;t really given enough detail for us to make any reasonable guesses as to what that might be.</p><div style="clear:both;"></div>