Need the Fqevents to track the outsorting before invoicing getting completed

Hi team,

I need to track the print doc if it eligible for out sorting , I need to restrict some further processing .

so before the invoicing process gets completed need to track if it going for outsorting.

I need the FQ events for the same.

Tried several like R419, 433,436 but it didn't worked out.

Pls advice

thnx

rajdeep