This method instructs some virtual users to stop at the end of the current iteration.
POST: Instructs some virtual users to stop at the end of the current iteration
POST Data Parameters
The POST data should be an object, mapping a VU group name to a range of virtual users to stop.
For example, to stop the first ten VUs in a group:
"<group name>": "1-10"
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"]