{
  "operationId": "upsertCustomTemplateAssociations",
  "method": "PUT",
  "path": "/storefront/custom-template-associations",
  "summary": "BigCommerce Upsert Custom Template Associations",
  "requestExamples": [
    {
      "contentType": "application/json",
      "name": "example-1",
      "example": [
        {
          "id": 1,
          "channel_id": 1,
          "entity_type": "product",
          "entity_id": 123,
          "file_name": "custom-product-1.html"
        },
        {
          "id": 2,
          "channel_id": 12345,
          "entity_type": "page",
          "entity_id": 123,
          "file_name": "custom-page.html"
        }
      ]
    }
  ],
  "responseExamples": []
}