{
  "@id": "dtmi:example:Building;1",
  "@type": "Interface",
  "displayName": "Building",
  "@context": "dtmi:dtdl:context;2",
  "contents": [
    {
        "@type": "Property",
        "name": "Date",
        "schema": "integer"
      },
    {
      "@type": "Relationship",
      "name": "contains",
      "displayName": "contains",
      "target": "dtmi:example:Floor;1"
    }
  ]
}