Before BR condition not working properly

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Hi Team

Need a suggestion, I have written a before BR (on insert) on cmdb_rel_ci table. And in condition I have given as below. But the condition is not working for Child.support group i.e I want to copy parent support grp to child support group If Child.support group is empty. But after executing its copying the values properly but irrespective of child.class.support have vale or with empty. In Action am just setting Child support group Same as Parent support group.

Need suggestion on this.

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Hi @Gaurav Shirsat  intention here to upon all condition met as given in screenshot, I need to copy Parent class support group to child class support group if Child class support group is blank orelse no update if it has any value.