{
  "@id": "dtmi:example:Floor;1",
  "@type": "Interface",
  "displayName": "Floor",
  "@context": "dtmi:dtdl:context;2",
  "contents": [
    {
      "@type": "Relationship",
      "name": "contains",
      "displayName": "contains",
      "properties": [
        {
          "name": "ownershipUser",
          "@type":"Property",
          "schema": "string"
        },
        {
          "name": "ownershipDepartment",
          "@type":"Property",
          "schema": "string"
        }
      ]
    }
  ]
}