How to use Conditional Input Group

1. Click on the edit icon to bring up the input group options
2. Click to select Conditional Input Group.
3. 
4. Select "Hidden" as we want the input group to be hidden if 'Square' is NOT the selected shape.
5. Choose the 'shape' (Single Select) input
6. 
7. Choose the '==' operator
8. 
9. And finally enter 'Square' in the Value field.
10. 

Remember: The input group will be hidden if the condition evaluates to False (e.g. the selected shape is not a 'Square')

Click APPLY CHANGES button to save your modifications