getFatigue can be applied to remote unit however it will not read the changes made to unit's fatigue with setFatigue command. Only natural changes resulting from unit moving will be counted. When applied to local unit, it will read resulting value of natural fatigue combined with artificial changes added locally by setFatigue. In short, the server wouldn't know the correct value of remote unit's fatigue if you used setFatigue on the unit prior.
Description
Returns fatigue of given unit.
Syntax
getFatigue unit
Parameters:
unit: Object
Returns: Number
Examples
Example 1
if (getFatigue player < 0.5) then { player sideChat "I'm good to go!" };
See also
setFatigue · enableFatigue · getStamina