View source for Group:Predefined properties

{
    "type": "PROPERTY_GROUP_SCHEMA",
    "groups": {
        "administrative_group": {
            "canonical_name": "Administrative properties",
            "message_key": "smw-property-group-label-administrative-properties",
            "property_keys": [
                "_MDAT",
                "_CDAT",
                "_NEWP",
                "_LEDT",
                "_DTITLE",
                "_CHGPRO",
                "_EDIP",
                "_ERRC"
            ]
        },
        "classification_group": {
            "canonical_name": "Classification properties",
            "message_key": "smw-property-group-label-classification-properties",
            "property_keys": [
                "_INST",
                "_PPGR",
                "_SUBP",
                "_SUBC"
            ]
        },
        "content_group": {
            "canonical_name": "Content properties",
            "message_key": "smw-property-group-label-content-properties",
            "property_keys": [
                "_SOBJ",
                "_ASK",
                "_MEDIA",
                "_MIME",
                "_ATTCH_LINK",
                "_FILE_ATTCH",
                "_CONT_TYPE",
                "_CONT_AUTHOR",
                "_CONT_LEN",
                "_CONT_LANG",
                "_CONT_TITLE",
                "_CONT_DATE",
                "_CONT_KEYW",
                "_TRANS",
                "_TRANS_SOURCE",
                "_TRANS_GROUP"
            ]
        },
        "declarative_group": {
            "canonical_name": "Declarative properties",
            "message_key": "smw-property-group-label-declarative-properties",
            "property_keys": [
                "_TYPE",
                "_UNIT",
                "_IMPO",
                "_CONV",
                "_SERV",
                "_PVAL",
                "_LIST",
                "_PREC",
                "_PDESC",
                "_PPLB",
                "_PVAP",
                "_PVALI",
                "_PVUC",
                "_PEID",
                "_PEFU"
            ]
        }
    },
    "tags": [
        "group",
        "property group"
    ]
}