Hi @zpmarcos,
Thanks for reaching out. Did you ever find a resolution to this issue? If you are still looking for guidance, please let us know and we can try to point you in the right direction or suggest some resources or next steps.
Warm Regards,
Erzsi
Do you mean using 4GL to trigger the "Change the key.." function in GESGAC for example without leaving and entering the GAC object? I don't know of a way. You may be able to find a way from our X3 Dev site: https://developer.sage.com/api/x3/
*Community Hub is the new name for Sage City