Why Do All Columns Appear When I Open a New SharePoint List Form?
Symptoms
When I submit a SharePoint List Form, all the fields are displayed. It does not conform to the Read-Only/Hidden selections made in the process model.
Cause
The SubmitStep property of the ListForm activity is not set to True.
Resolution
- In Process Builder in your process model, set the following field. Field Name Value SubmitStep True 
 
         
                    