Preconditions Panel

The Preconditions panel specifies the conditions that must evaluate to True for TestStand to execute a step during the normal flow of execution in a sequence, such as running a step only if a previous step passes. The Preconditions panel contains the following options:

• Precondition Expression —The expression that must evaluate to True to execute the step.
• Precondition Builder —Launches the Preconditions Builder dialog box, in which you can build a precondition expression using step statuses , AllOf and AnyOf conditional groups, and subexpressions.
• Expression Browser Dialog Box —Launches the Expression Browser dialog box.
• Check Expression for Errors —Verifies the syntax of the expression in the Expression control.

See Also

Expression Browser dialog box

Preconditions Builder dialog box