This function searches for the latest end time of the last clip. It can be row specific or search all clips if using "". This value can even be used in the other variable functions if it is defined before it is used.
Basic format: ["max_time_end", "row_name", [search_criteria] ]
In the following example, we want to know the end time of the game, in seconds, by looking for the last 'Half End' clip
e.g: ["max_time_end", "Half End"]