curl --request POST \
  --url https://{defaultHost}/v5/app/app_connections \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "resource_id": "<string>",
  "resource_type": "product",
  "view_type": "customer_before_checkout_view"
}'

{
  "id": "<string>",
  "created_at": 123,
  "company_id": "<string>",
  "app_id": "<string>",
  "resource_id": "<string>",
  "resource_type": "<string>",
  "view_type": "customer_product_view"
}