before
Elapsed time until specified time in test step
Syntax
Description
before(
        returns true until the amount of time (n,timeunits)n) in
          timeunits has elapsed since the beginning of the current test step.
        You must include the timeunits.
Valid time units are:
- sec — seconds 
- msec — milliseconds 
- usec — microseconds 
Examples
Tips
before statements can be used in the Test Sequence and Test Assessment
      blocks and in Stateflow® charts.
Version History
Introduced in R2015a