The endpoint provides a method to retrieve a PDF training certificate for a candidate for an individual course.The URI format is: https://hb-host.tld/api/training-results/{{candidate_ref}}/certificate/course/{{course_id}}The requests are HTTP GET (RFC2616) and use candidate_ref as resource identifier, which is a UUID string, identifying the candidate uniquely at HB. If the candidate_ref is not valid then the API should response with HTTP 404 Not Found error. If there is no certificate available for the course, the API should send an HTTP 204 No Content response.