When creating a multi-page webform, conditional actions may be used to control whether or not to show specified form elements. To add a condition, click the Conditionals tab.

Add Conditional

Click the plus-sign button to add a new condition.

Add a new condition screenshot

Select the component from the drop-down that you would like to set a condition for, and then use the following dropdowns to set the actions for that condition. 

For example, if you want the Email component to be displayed only if the Selction Options is answered yes, then you would section the following options for the conditional that you are creating:

If [Select Options] [is] [Yes]
then [Email] [is] [shown]

conditional screenshot

Click the plus-sign button to create additional conditional actions.

Add a new conditional screenshot

Click Save conditions to save the condition that you created.