> curl -X PUT --dump - http://localhost:8529/_api/collection/56478340/truncate

HTTP/1.1 200 OK
content-type: application/json

{
  "name": "UnitTestsCollectionBasics",
  "code": 200,
  "id": 56478340,
  "status": 3,
  "type": 2,
  "error": false
}