Dataverse 検索列に複数種類のテーブルを入力可能にする｜マルチテーブル検索機能

{
  "OneToManyRelationships": [
    {
      "SchemaName": "cr9cb_favorite_fish",
      "ReferencedEntity": "cr9cb_fish",
      "ReferencingEntity": "cr9cb_cat"
    },
    {
      "SchemaName": "cr9cb_favorite_meat",
      "ReferencedEntity": "cr9cb_meat",
      "ReferencingEntity": "cr9cb_cat"
    },
    {
      "SchemaName": "cr9cb_favorite_ciaochuru",
      "ReferencedEntity": "cr9cb_churu",
      "ReferencingEntity": "cr9cb_cat",
      "CascadeConfiguration": {
        "Assign": "NoCascade",
        "Delete": "RemoveLink",
        "Merge": "NoCascade",
        "Reparent": "NoCascade",
        "Share": "NoCascade",
        "Unshare": "NoCascade"
      }
    }
  ],
  "Lookup": {
    "AttributeType": "Lookup",
    "AttributeTypeName": {
      "Value": "LookupType"
    },
    "Description": {
      "@odata.type": "Microsoft.Dynamics.CRM.Label",
      "LocalizedLabels": [
        {
          "@odata.type": "Microsoft.Dynamics.CRM.LocalizedLabel",
          "Label": "大好物の食べ物",
          "LanguageCode": 1041
        }
      ],
      "UserLocalizedLabel": {
        "@odata.type": "Microsoft.Dynamics.CRM.LocalizedLabel",
        "Label": "大好物の食べ物",
        "LanguageCode": 1041
      }
    },
    "DisplayName": {
      "@odata.type": "Microsoft.Dynamics.CRM.Label",
      "LocalizedLabels": [
        {
          "@odata.type": "Microsoft.Dynamics.CRM.LocalizedLabel",
          "Label": "大好物",
          "LanguageCode": 1033
        }
      ],
      "UserLocalizedLabel": {
        "@odata.type": "Microsoft.Dynamics.CRM.LocalizedLabel",
        "Label": "大好物",
        "LanguageCode": 1033
      }
    },
    "SchemaName": "cr9cb_favorite_food",
    "@odata.type": "Microsoft.Dynamics.CRM.ComplexLookupAttributeMetadata"
  }
}

※JSONを見るとなんとなくわかるけど、OneToManyRelationshipsですべての関連（ねこと魚、ねこと肉、ねことちゅーる）を定義している。