OptionaldatatypeOptionalidOptionalinOptionalmaxOptionalmaxOptionalminOptionalminOptionalnameOptionalpatternOptionalseveritysh:severity for this constraint's results. When set, it OVERRIDES the per-check default (e.g. a missing required value defaults to violation, but sh:severity sh:Info downgrades it). Absent means the per-check default applies.
The property shape's own identifier (its IRI when parsed from a shapes graph). Optional and informational for the validator; the shape browser keys constraint rows by it, because one shape may constrain the same path twice (two property shapes on one predicate) and
pathalone is not unique.