In Batch Attribute Editor if the user makes a selection in AGOL, the user will be prompted with boxes that allow the user to fill out values for GROUP ID fields which need to be auto-populated and it should be unique all the time.

[AjayBhandari]

In Batch Attribute Editor if the user makes a selection in AGOL, the user will be prompted with boxes that allow the user to fill out values for GROUP ID fields which need to be auto-populated and it should be unique all the time. Those fields are coming from Layers, and GroupID is one of them. How can I customize that in Batch Attribute editor using Javascript?.  I need help. batchattributeeditor javascript api widget webapp builder developer edition autopopulate uniqueid Robert Scheitlin, GISP‌