https://community.adobe.com/questions-675/does-custom-plugin-metadata-need-to-be-defined-in-a-lrmetadataprovider-file-981190
Does custom plugin metadata need to be defined in a LrMetadataProvider file? | Community
I am trying to use custom plugin-specific metadata on a per-photo basis. In the API reference for "setPropertyForPlugin" it states that metadata set usi...