To Activate a Target

Select the Script Target tool.
The Script Target dialog opens.
In the Time field, type the time/frame number when the target is to be activated.
From the Interpolation menu, select the required setting.
From the Velocity menu, select the required setting.
Turn on Target Activated.
Select the Object (camera).
Select the Target.
Accept with a data point to script the activated target.
The script entry is added to the list in the Animation Producer dialog.