Hi Sunil,
I am a beginer, I understand what you say. In the "post goods receipt" screen, it has not anchors of ButtonGroup, so the screen can not add button.
Another screen: poowlqrn.OWL.xuicomponent
It has ButtonGroup, below:
I click the "Add Custom Action", the screen below:
In Custom Action, it is nothing, what is wrong? What is the prerequisites? Thanks.