The get_file_upload_url operation
generates and returns a temporary URL. You use the temporary URL to
retrieve a file uploaded by a Worker as an answer to a FileUploadAnswer
question for a HIT. The temporary URL is generated the instant the
GetFileUploadURL operation is called, and is valid for 60 seconds. You
can get a temporary file upload URL any time until the HIT is disposed.
After the HIT is disposed, any uploaded files are deleted, and cannot be
retrieved. Pending Deprecation on December 12, 2017. The Answer
Specification structure will no longer support the FileUploadAnswer
element to be used for the QuestionForm data structure. Instead, we
recommend that Requesters who want to create HITs asking Workers to
upload files to use Amazon S3.
mturk_get_file_upload_url(AssignmentId, QuestionIdentifier)[required] The ID of the assignment that contains the question with a FileUploadAnswer.
[required] The identifier of the question with a FileUploadAnswer, as specified in the QuestionForm of the HIT.
A list with the following syntax:
list( FileUploadURL = "string" )
svc$get_file_upload_url( AssignmentId = "string", QuestionIdentifier = "string" )