Message type Idoc type
PORDCH– PORDCH01– For change
PORDCR1 — PORDCR101– For Create
FM attached to the function module is BAPI_IDOC_INPUT1
Go to We82 and enter the idoc Type which is Above you will get the message type Related to Idoc type..
Go to We41 – for Outbound Process code
We42- for INbound Process codes
Go to we57 – to see the Function modules attached to Idoc type and Message Type.