Item-Wise Permission In SharePoint List Using Impersonation Step In SharePoint Designer Workflow

Steps for workflow

• Click on these permissions, as shown below.
  
  
  
  
• Click on the "Add" button and click on the checkbox(es) of your choice depending on your permission requirement (I checked edit as of now).
• And then, click on "Choose...".
  
  
  
  
• After clicking choose button, Select User window will open and you can select the user to whom you want to give access, double click second option “Workflow lookup for users”
• A new window will open named “Lookup for person or group” and choose,
  
  
• Data Source – Current Item
• Field from the source – Employee name (we will provide access to name present in this column of the current item)
• Return Field as – Display Name
• Click OK (Lookup for the person or group window)
• Click OK(Select User window)
• Click OK(Add permission window)
• Click Ok (Replace Permission window)

A total of a to g steps, and later the window will look like following.

• Click on this list and select a current item in the "Choose list item" window.
• Click OK.
  
  
  

1. Allow this workflow to be manually started
2. Start workflow automatically when an item is created.