This method instructs all virtual users to stop at the end of the current iteration.
POST: Instructs all virtual users to stop at the end of the current iteration
POST Data Parameters
The response is an object, containing one entry for each engine in the test. For each engine there is a list containing two values: a Boolean value indicating whether the request to stop was processed successfully, and a String containing a message.
"intel.win32.clr4_6.0": [true, "Virtual users instructed to stop at end of iteration"]