https://community.appian.com/discussions/f/user-interface/10251/using-validation-group-in-sub-expressionsHi, how validation group will work in sub-expression levels. lets say i have a main expression (form layout) with few buttons and also i have a section defined in another expression and used the same in the main expression. Now if i use validation groupen-USTelligent Community 12https://community.appian.com/thread/45357?ContentTypeID=1Wed, 10 May 2017 02:39:16 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:ba1924d4-3eb6-403c-9e79-428f0382d5adnareshc647If you mention validation group in parent interface it will validate that section other wise it validates only in child interface.<div style="clear:both;"></div>https://community.appian.com/thread/45243?ContentTypeID=1Thu, 04 May 2017 09:53:26 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:989a1ef9-9e5e-41cd-a727-851900743173jagadeeshIf your buttons were placed in main rule, then it validate both sections<div style="clear:both;"></div>https://community.appian.com/thread/45240?ContentTypeID=1Thu, 04 May 2017 07:59:08 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:19c05b26-dff5-46df-9e46-557d90604ba2Vinay Kumar RaiIt validate the sub-expression If validation group name match<div style="clear:both;"></div>