# XML Schema include Element

Complete XML Schema Reference

## Definition and Usage

The include element is used to add multiple schemas with the same target namespace to a document.

### Element Information

- Parent elements: schema

### Syntax

<include
id=ID
schemaLocation=anyURI
any attributes
>
(annotation?)
</include>

(The ? sign declares that the element can occur zero or one time inside the include element)

Attribute | Description
--- | ---
id | Optional. Specifies a unique ID for the element
schemaLocation | Required. Specifies the URI to the schema to include in the target namespace of the containing schema
any attributes | Optional. Specifies any other attributes with non-schema namespace

### Example 1

With included schemas, the included files must all reference the same target namespace. If the schema target namespace don't match, the include won't work:

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.w3schools.com/schema">
<xs:include schemaLocation="http://www.w3schools.com/schema/customer.xsd"/>
<xs:include schemaLocation="http://www.w3schools.com/schema/company.xsd"/>
..
..
..
</xs:schema>

Complete XML Schema Reference

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