From a RUN() function in a map rule

To execute a map from a map rule, use the RUN() function as follows:

RUN ( "map","exec_command..."] )
Option
Description
map
Specify the name of the compiled map (.mmc) file to run. If applicable, include the full path or a relative path to the directory that contains the map file.
exec_command
Specify any execution command and its associated options you want to override the settings compiled into the map file when the specified map is run.