The availability attribute of an object determines if the application end-user can interact with the object. The four availability values are "Available", "Guarded", "Protected", and "Unavailable".
| Available | The data in the field is displayed in the "active text" color, can be scrolled left and right (if applicable to the object type), and can also be modified. |
| Guarded | The data in the field is displayed in the "active text" color, can be scrolled left and right (if applicable to the object type), but cannot be modified. |
| Protected | The data in the field is displayed in the "active text" color, cannot be scrolled, and cannot be modified. |
| Unavailable | The data in the field is displayed in the "inactive text" color, cannot be scrolled, and cannot be modified. |