ws_wait_call() is used to suspend the program (web service) execution and wait for the request from a client. This function does not require any arguments.
The key feature of the ws_wait_call() function is that it requires no interaction and does not open the default screen.
Syntax
ws_wait_call()
Usage example
MAIN CALL ws_wait_call() END MAIN FUNCTION web_f_sum(a, b) DEFINE a, b INT RETURN a + b; END FUNCTION