Customizable Types of Fields
You can create custom field of any one of following types
- Pickup List
For each of these types, you can have advance control over it; for example, if you want to create custom Project field as 'Admin Expenses': You can specify number decimal places, minimum value and maximum value for the field. Users with appropriate access can view this field only if it is Enabled. And if they have permisison to modify it, value entered by them will be validated against these conditions specified by you.
Similarly you can add Pickup List type of custom field. It is quite easy to create pickup list. You can create pickuplist field within a minute if you refer to the note. Refer to the adjacent image where a field named 'Release' has been created of type Pickup List.