Preferences.SetEnvironmentVariable(String, String) Method
Sets or overwrites the environment variable value associated with the specified name. The value that is set only persists for the current run of the Mission Plan and any subprocesses executed by that run of the Mission Plan. (Subprocesses can be executed using the Run command.)
Timing Precision Mode
This page describes functionality in millisecond timing precision mode.
Click here to see the documentation for this object in nanosecond timing precision mode.