IDOC confirmation and status change ???


IDOC confirmation and status change ???
SAP friends,
I have a question about IDOCS. We are implementing. In AP after processing payments, our bank will send us a text file which will have idocs number. and status number ( accept and reject).
We have to update that status number for our idoc in the system and if the number that was rejected we have to send an email to everyone. How can we change the status of idoc using the file the bank sends us.
Kavita Reddy
Please explain the process detaily.  question is not clear.
IDOCs are the intermediate documents, which carry information from SAP to Legacy or vise versa.
IDOCs will be distingwished by message type. These will generate by Program.  In program please check about the status.
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