Smart Form text area and radio button

hi ,

1. I need help on how to insert text area in the smart form .

for example:i need to put text area in between the smart form for the purpose of feedback about a product.

2. Also i created the test node and i wrote the two statements with 2 radio buttons i insert the radio buttons from sap symbols but i need to put the condition to choose one radio button , where i have to write the condition in the smart form.