A wired activity runs or is skipped depending on the process
flow. You can choose to make the activity conditional so that a user
can decide at run time whether to run the activity, or you can use
a script to make the decision.
Procedure
Complete the following steps to implement a conditional
activity.
- Open a process application that contains a process.
- Select the activity that you want to make conditional.
- Under Conditions in the properties
section, select the Conditional option.
Restriction: The conditions tab is disabled
for ad hoc activities (unwired activities). If a wired conditional
activity is turned into an ad hoc activity by deleting wires to and
from the activity, the
Conditional option becomes
disabled. To set conditions for an ad hoc activity, use preconditions.
See
Creating an unstructured (ad hoc) activity
The activity in
the BPD diagram includes a diamond-shaped icon to indicate that it
is conditional. The diamond-shaped icon on an ad hoc activity indicates
that the activity has a precondition.
- Select the conditional activity for execution by using
one of the following options:
| Option |
Description |
|---|
| JavaScript |
Enter JavaScript in the available box.
It returns a valid Boolean (true or false)
value. If the runtime return value of the supplied script is true,
the activity is carried out. Note: If a script is present in the box,
it overrides any human decision at run time to carry out or skip the
activity.
|
| Set selected conditional activities |
If the Conditional option is enabled
and no JavaScript is entered in the box, the activity is carried out
only if previously selected. Use the tw.system.process.selectedConditionalActivities property
to set selected conditional activities. |
Note: Performance Data Warehouse records
data that can be used to analyze the conditional activities. When
a conditional activity is skipped, a tracking point is created with SKIP appended
to the name of the skipped activity. A tracking point is created in
the TRACKINGPOINT views each time an activity is skipped. Using this
data, you can generate reports to show which activities are skipped
and how often those activities are skipped in a process instance.
- Click Save or Finish
Editing.