debugging value help

Hi all,

I am little bit new to debugging and need you help.

I am debugging f110 automatic cheque generation to find from where i am getting a particular field value.

in the include LFPAYM_USF01 i want from where do i get value for IS_FPAYH-ref01.

while i schedule a backgroud job and look into the file that is generated i'm getting My company name in it which is coming from this field.

I need to know where this field is populated in ACH.

Please Help

Ramesh