A value read for a guard's match.idRefs or metadata, resolved when the
guard is created or refreshed. fieldRead reads workflow fields only;
stage and activity fields are unavailable. effectsRead reads a completed
effect's output. self supplies the instance's GDR URI and now its ISO
clock value.
Paths cannot contain line breaks, and effect names cannot contain '.
Stored Guard declarations carry string forms of these reads.
A value read for a guard's
match.idRefsormetadata, resolved when the guard is created or refreshed.fieldReadreads workflow fields only; stage and activity fields are unavailable.effectsReadreads a completed effect's output.selfsupplies the instance's GDR URI andnowits ISO clock value. Paths cannot contain line breaks, and effect names cannot contain'. Stored Guard declarations carry string forms of these reads.