You are here: Building the Model: Advanced Elements > External Files
External files may be used during the simulation to read data into the simulation or write data as output from the simulation. Files can also be used to specify such things as operation times, arrival schedules, shift schedules, and external subroutines. All external files used with a model must be listed in the External Files Editor which is accessed from the Build menu.
1. Select More Elements from the Build menu.
2. Select External Files.