Toolbox panel - Assist tab
Double-Click on a tool with the mouse to execute the Tool on Selected agents and effects
If no agents selected, the Tool will operate on the whole model
Or ... right mouse on any Tool for further options
Limit the application of the Tool to agents (not choices, issues, etc.) by checking box at bottom of panel
Check the box 'missing only' so that tools only fill in gaps in the model
Set the 'highlight' check box to highlight modified agents/effects after applying the Tool
Use menu Whiteboard - Clear to remove highlights