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ABAP - identifying the calling system


Is there a way to find out when my RFC is calling by a R/3 program or by a Portal(PDK/Java) application? I´m trying the SYST structure..but i didn´t find out anything till now.

If someone has a light, show me up!



André Luis Calderan


Former Member

I think you can access table usr02 for the syst-uname and look at usr02-USTYP for a value of 'C'.

That is, if your system is set up so the rfc uses a userid of the appropriate type you will be able to identify when the rfc is being called by that type of user.

User type values are:

A Dialog

B System User (Internal RFC and Background Processing)

C Communication User (External RFC)

L Reference User

S Service User

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