A collection is a group of sub-objects or related objects. To enable the display of a collection, click the Add Collections tool, select collections or extended collections to display, and click OK.
Click on a collection in the list to set the following options:
| Option | Description |
|---|---|
| Label | Specifies a label to use in the Display Preferences dialog in place of the collection's name. |
| List columns | Specifies the properties displayed for each object in the collection. Click the Select tool beside the field to select attributes for display. |
| Filters | Specifies one or more filters to offer as radio buttons under the checkbox to select the collection in the Display Preferences dialog. Click the Select tool beside the field to open the Define Available Collection Filters dialog, enter a name for the filter and then click the ellipsis button in the Filter Expression column to define the parameters of the filter. |
| Mandatory | Specifies that the collection must be displayed on the symbol, and is not available for deselection in the Display Preferences dialog. |
| Limit number of lines | Enables a field in the Display Preferences dialog allowing the user to limit the display of collection members to the number that they enter. |
| Hide when empty | Specifies that the symbol compartment containing the collection is hidden when there is nothing to display. |