EDI BPM's for ASN / POAck / Invoice writing to Change Log?

Is it possible for a Standard Data Directive to write to the change log? I hesitate making another UD field and having the BPM append “ASN Generated” to the Change Log after generating the ASN file for EDI would make an easy place to check when issues come up.

Issue is that (according to our EDI person) sometimes the outbound documents are not being generated. The BPMs are exceedingly simple auto-print Data Directives and have worked in the past without real issues. I’ve verified the condition of the BPMs, ie ShipHead.EDIReady field equals TRUE.