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Chapter 2 Building an XML model
XSM User's Guide 103
Generated schema:
The General page of an extension property sheet displays the following
properties:
Property Description
ID ID of the extension. Its value must be of type ID and unique
within the model containing the extension
Base Type Data type on which the extension is based
To define a derivation by extension:
1 Select Extension in the Derivation dropdown listbox of an element or a
complex type property sheet.
In the case of an element property sheet, the Embedded type and Content
boxes are set to Complex.
In the case of a complex type property sheet, the Content box is set to
Complex.
2 Click Apply.
3 Click the Properties tool beside the Derivation box.
The extension property sheet appears.
Defining extension
general properties