Custom form questions can be applied conditionally to based on another question's response.
STEP BY STEP INSTRUCTIONS
1. Go to Setup > Registration > Form Questions to create your custom questions.
2. Click Add New Question to set up your first custom question.
3. Then, set up your next custom question which will be conditional based on the previous question's answer.
When you set up your conditional questions, your second question will only appear when the choice is selected:




