Default Bargaining Unit field with the value available in the DFF (Attribute2) in Positions page

Summary:

Any value in PER_POSITIONS_DFF ATTRIBUTE2 that is entered, upon tab out from this field, same value should be populated in BARGAINING UNIT.
But not working as per our expectation.

Kindly let us know how to achieve this.

Content (please ensure you mask any confidential information):

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

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

If Group Division!=Null
{
Bargaining Unit = Group Division
}
Else
{
Exit the loop
}

—Another condition, that we have tried to use is below-

If Bargaining Unit != Group Division
{
Bargaining Unit = Group Division