wait_get_time (GameMaker Studio)

/// @function   wait_get_time(index);
/// @param      {int|string}    index
/// @author     Lucas Chasteen <lucas.chasteen@xgasoft.com>
/// @copyright  XGASOFT 2018, All Rights Reserved

/*
Returns the current time remaining in the specified timer as a value of seconds.

If the timer does not exist, 0 will be returned instead.

Example usage:
    var time_remaining = wait_get_time("my_timer")
    draw_text(x, y, string(time_remaining));
*/

//If timer data exists...
if (ds_exists(global.ds_wait, ds_type_map)) {
    if (ds_map_exists(global.ds_wait, argument[0])) {
        //... return the remaining time
        return global.ds_wait[? argument[0]];
    }
}

//Otherwise return 0
return 0;