curl -i -X POST "https://api.box.com/2.0/metadata_templates/schema" \
     -H "authorization: Bearer <ACCESS_TOKEN>" \
     -H "content-type: application/json" \
     -d '{
      "scope": "enterprise",
      "displayName": "Customer",
      "fields": [
        {
          "type": "string",
          "key": "name",
          "displayName": "Name",
          "description": "The customer name",
          "hidden": false
        },
        {
          "type": "date",
          "key": "last_contacted_at",
          "displayName": "Last Contacted At",
          "description": "When this customer was last contacted at",
          "hidden": false
        },
        {
          "type": "enum",
          "key": "industry",
          "displayName": "Industry",
          "options": [
            {"key": "Technology"},
            {"key": "Healthcare"},
            {"key": "Legal"}
          ]
        },
        {
          "type": "multiSelect",
          "key": "role",
          "displayName": "Contact Role",
          "options": [
            {"key": "Developer"},
            {"key": "Business Owner"},
            {"key": "Marketing"},
            {"key": "Legal"},
            {"key": "Sales"}
          ]
        }
      ]
    }'

{
  "id": "58063d82-4128-7b43-bba9-92f706befcdf",
  "type": "metadata_template",
  "scope": "enterprise_123456",
  "templateKey": "productInfo",
  "displayName": "Product Info",
  "hidden": true,
  "fields": [
    {
      "type": "string",
      "key": "category",
      "displayName": "Category",
      "description": "The category",
      "hidden": true,
      "options": [
        {
          "key": "Category 1",
          "id": "45dc2849-a4a7-40a9-a751-4a699a589190"
        }
      ],
      "id": "822227e0-47a5-921b-88a8-494760b2e6d2"
    }
  ],
  "copyInstanceOnItemCopy": true
}