TinTin++ Mud Client Manual
         ELSE

Command: #else {commands}

         The else statement should follow an #IF or #ELSEIF statement and is
         only called if the proceeding #IF or #ELSEIF is false.

Example: #if {1d2 == 1} {smile};#else {grin}

Related: case, default, elseif, if, switch and regex.