I don’t think the TTL is considered by the dispatcher but you might check with wM support to find out for sure.
In any case, you can avoid having stale elements in the trigger queue by never using “Document Processing” set to No. Only set “Document Retrieval” to No. That way, the trigger queue is always drained just shortly after you’ve suspended retrieval. And stale documents will be discarded when retrieval is resumed.
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