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❮ Schema Simple Attributes Schema Elements Ref ❯

XML Schema union Element

Definition and Usage

The union element defines a collection of multiple simpleType definitions.

Element Information

-Parent element: simpleType

Syntax

(? The question mark indicates that the element can appear zero or one time within the union element.)

Attribute Description
id Optional. Specifies a unique ID for the element.
memberTypes Optional. Specifies a list of names of built-in data types or simpleType elements defined in the schema.
any attributes Optional. Specifies any other attributes with non-schema namespaces.

Example 1

This example is a simple type that combines two simple types:

❮ Schema Simple Attributes Schema Elements Ref ❯