Once you have defined custom fields, you may wish to control the access that specific users have to each field. One way to do this is to create a series of custom property sheets, some of which contain certain fields and some of which contain other fields. The custom property sheets may then be assigned to the appropriate users, through the respective security profiles. This can lead to an excessive amount of similar custom property sheets being created. Furthermore, users will have access to the custom fields as list columns.
A better way is to individually specify the access of the relevant fields to each security profile. This way, the same property sheet may be shared between two users, one of whom has access to all fields in the property sheet and another who has access to only some.
You can specify the access to a custom field in the following way:
Select Custom Data in the left hand list in Supervisor mode and then double click on the appropriate data type in the right hand list. The appropriate Data Design property sheet is displayed.
Select the Fields tab. A list of available custom fields are shown for the particular data type. Double click on the relevant custom field. The Custom Field property sheet is shown. Select the Access tab.
The Access page lets you specify the access that each security profile has to the custom field. A particular user's access to certain custom fields will be entirely dependent upon which security profile the user belongs to. You may choose between the following:
| Access Level | Description |
| No Access | A user with no access to a custom field will not be able to see the field in the property sheet. |
| Read Access | A user with read access to a custom field will be able to read the contents of the field but may not change it. |
| Full Access | A user with full access to a custom field may read and edit the contents of the custom field. |