This function returns the current status of a previously executed REQUEST function.
|RequestId||Unique id returned from REQUEST function, that you want to be informed about.|
TRUE, if request has been executed successfully and the result is in the target location. FALSE, if the request has not delivered a response yet. Error value (e.g. #ERR!), if the request ended with an error (e.g. timeout, invalid URL, etc.) → an error object has been transferred to the target.
|TRUE||A1 contains a successful REQUEST call.|