How we can use setData in Groovy scripting

Summary:

I have to clear the cells which are edited in a data form using set data function

Content (required):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):

This is the code, I'm trying to make 0 which cells are edited actually I've to make #MISSING but it's throwing an error. set data isn't working don't know where I'm wrong.

operation.grid.dataCellIterator.each{DataCell cell->

if(cell.edited==true){

cell.setData(0)

}

}

Any help would be appreciated.