Const
Filter: requires data.companionTo to match the given schema, literal string, type predicate, or (with no second argument) any ECHO object. Pair with allOf and object to express "article displaying X whose companion is Y".
data.companionTo
Filter: requires
data.companionToto match the given schema, literal string, type predicate, or (with no second argument) any ECHO object. Pair with allOf and object to express "article displaying X whose companion is Y".