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❮ Schema Dtypes String Schema Complex Anyattribute ❯

XML Schema extension Element

Definition and Usage

The extension element extends elements of simpleType or complexType.

Element Information

Syntax

(? symbol declares that the element can appear zero or one time within the extension element, * symbol declares that the element can appear zero or multiple times.)

Attribute Description
id Optional. Specifies a unique ID for the element.
base Required. Specifies the name of a built-in data type, simpleType, or complexType element.
xml:lang Optional. Specifies the language used in the content.

Example 1

The following example extends an existing simpleType by adding attributes:

Example 2

The following example extends an existing complexType element by adding three elements:

❮ Schema Dtypes String Schema Complex Anyattribute ❯