
The available data types of attributes. The list may contain greyed out types; these are types for internal app use only and are not available to users. User-creatable options are:
- string.
- color.
- number.
- file.
- boolean.
- date.
- unsigned. For system use only
- action. For system use only
- set.
- url.
- list. (added v5.6.0)