Chapter 3 Building XML Models
The Detail tab of an attribute property sheet displays the following properties:
| Property | Description |
|---|---|
| Default | Default value. Enter a default value only if there is no fixed value |
| Fixed | Fixed value. Enter a fixed value only if there is no default value |
| Use | Indicator of how the attribute is used. If you select Optional, the attribute is optional and may have any value. If you select Prohibited, the attribute cannot be used. Use this value to prohibit the use of an existing attribute in the restriction of another complex type. If you select Required, the attribute must appear at least once and may have any value matching its data type |
| Form | Form of the attribute. If you select Qualified, Form must be qualified by combining the target namespace of the schema with the no-colon-name (See Glossary) of the attribute. If you select Unqualified, Form is not required to be qualified with the namespace prefix and is matched against the no-colon-name of the attribute |
| ID | ID of the attribute. Its value must be of type ID and unique within the model containing the attribute |
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