1. Define picklist values for the Categories and Status fields.Make sure that you add the categories and statuses to the zones you’ll be including in the community.
2. Set field-level security for standard and custom fields.
3. Create custom fields and set validation rules on them.Custom fields appear in the Additional Information section on the Post Idea and Idea Detail pages.
4. Optionally, add the Attachment field to the layout and set field-level security to enable users to add files to their ideas.