Juniper SECURITY THREAT RESPONSE MANAGER 2008.2 R2 - REV1 Manual page 73

Select Custom. Click Next.
Step 4
Note: You can also create a sentry using an existing Package, select the Use an
existing Package option and use the drop-down list box to select the desired
Package. This option allows you to edit the values of the Package but not the Logic
Unit.
The Custom Sentry Parameters window appears.
Enter values for the parameters:
Step 5
STRM Users Guide
Creating a Sentry 67