In the Length field, enter the number of characters the attribute can store.

Preparing to Add Content 5-7 none of the base item types choose None from the Base Item Type list, which gives you complete control over the attributes included in the item type.

5.2.2.1 Creating an Item Type

To create an item type:

1. In the Navigator, click the link for the page group in which you want to create the

item type. To get to the Navigator click the Navigator link on any page. By default you can find a Navigator link on the Portal Builder page.

2. Click the Item Types link.

3. Next to Create New, click the Item Type link.

4. In the Display Name field, enter a descriptive name for the item type. The display

name is used in the Portal Navigator and the Add Item Item Type list, so shorter display names are better. Use up to 256 characters of any kind, including spaces.

5. From the Base Item Type list, choose the base item type from which you want

your item type to inherit attributes. You can choose from None, Base File, Base Image Map, Base Image, Base PLSQL, Base Page Link, Base Text, and Base URL.

6. Click Create.

7. Click Close.

5.2.2.2 Editing an Item Type

When you first create an item type, it includes exactly the same attributes as the base item type on which you based it. If you chose None as the base item type, your new item type includes only the Display Name attribute. To truly customize the item type, you need to edit it to add more attributes, and possibly procedure calls.

5.2.2.2.1 Editing the Basic Properties of an Item Type

To edit the basic properties of an item type: 1. Use the Navigator to browse to the item type that you want to edit. To get to the Navigator click the Navigator link on any page. By default you can find a Navigator link on the Portal Builder page. Tip: If you create an item type in a particular page group, that item type is available only in that page group. If you want the item type to be available in multiple page groups, either create it in the Shared Objects page group, or if the item type already exists promote it to the Shared Objects page group. See Section 4.6, Sharing Objects Across Page Groups . Note: You cannot edit the base item types. However you can extend the built-in item types.