Metadata searches are cool though I haven't found a comprehensive description, e.g. type name:foo to find all objects with foo in the name, kind:pdf wil find al

Metadata searches are cool though I haven't found a comprehensive description, e.g. type name:foo to find all objects with foo in the name, kind:pdf wil find all PDFs. These may be combined, e.g. name:foo kind:pdf has the expected result.