Code lists allow study designers to easily add standard answer options to a drop-down, checkbox, or radio button type question.

1. Access the Draft version of a study as described in Open a study's design.
2. Make sure you are on the Data Collection page.
3. On the Forms tab, open or create the form that you want to add a code list to.
4. In your form, do one of the following:
   • Select the drop-down question or the question with checkboxes or radio buttons, and above the answer field, select Code List.
   • Add a new question with multiple answer options and, above the answer field, select Code List.
   The Code List dialog opens.
5. Do one of the following:
   • If you want to create a new custom code list, select Add Code list See the character limit allowed in form fields.
   • If you want to edit an existing custom code list, select it from the list, and select Edit .
6. Fill-in all of the required fields of the code list. For more details, see Create a custom code list
7. Select either Close or Use Selected List to add the code list to the question.