wage type addition

Hello All

I am trying to add amount of a wage type (IT0015) to anotjher wage type in RT.

Example: WT 1001 =  30 in IT0015

Already there is a wage type 1002 in the RT with value of 20

Now i need to add amount of WT1001 to WT1002 (in RT)

I wrote below PCR and inserted in the Schema with PIT function but it is not processing

*

1002

Amt= 1001

AMT+ 0

AddwtE1002

Kindly check and help us to fix the issue.