https://community.appian.com/discussions/f/integrations/17264/passing-rule-input-to-integration-headerHi, How to pass rule input to header in integration service. Please see screen shot for better understanding. Thanks!en-USTelligent Community 12https://community.appian.com/thread/68110?ContentTypeID=1Thu, 11 Jul 2019 01:31:26 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:e598573d-f567-41b2-b31b-5914c28bc83aSteven Miccile<p>If you hover over the value field, you will see the blue expression editor icon show up to the left of the red x. Click on that.</p> <p><img alt=" " height="155" src="/resized-image/__size/320x240/__key/communityserver-discussions-components-files/18/header.JPG" width="394" /></p><div style="clear:both;"></div>