Custom Fields creation and management need admin. rights. Follow the steps to create a custom field:

• Click on Main Navigation Menu, Settings dropdown > Configurations > Manage Custom Fields > Add New Custom Field
• Select Custom Field type from the list
• Fill in all details by defining its scope. Custom Field is item type specific. You can put just one Item type in a custom field.
• To make it available for your project,items, make sure to add this field in respective Item type Screen that your project is associated with. Click on “Add to Screen”.
• On Manage Custom Screen Page, check if your project respective item type is using a default screen or a custom screen. In Default Screen, you can not add a custom field. Although you can duplicate default screen and make the changes.

• Add new custom field to your screen and associate your project with this screen. Save the changes.
• New custom field is now visible in respective item type details page.