I have created a PO release strategy and output message type. Both are working fine when used independantly.
ie I am able to release a purchase order and output message (IDOC) is triggered when PO is changed.
Now I want to combine these two things ie trigger outbound IDOC when PO is released using ME28.
I have maintained an entry at -
SPRO -> Materials Management -> Purchasing -> Messages -> Fields relevant to printouts of changes
Entry details - TABLE EKKO; FIELD FRGKE
However output message is not triggered when PO is released using ME28. released status is also changed in PO to Released "R".