XML Schema simpleType Element

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# XML Schema simpleType Element

Complete XML Schema Reference

## Definition and Usage

The simpleType element defines a simple type and specifies the constraints and information about the values of attributes or text-only elements.

### Element Information

- Parent elements: attribute, element, list, restriction, schema, union

### Syntax

    <simpleType
    id=ID
    name=NCName
    any attributes
    >

    (annotation?,(restriction|list|union))

    </simpleType>

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

Attribute | Description
--- | ---
id | Optional. Specifies a unique ID for the element
name | Specifies a name for the element. This attribute is required if the simpleType element is a child of the schema element, otherwise it is not allowed
any attributes | Optional. Specifies any other attributes with non-schema namespace

### Example 1

This example defines an element called "age" that is a simple type with a restriction. The value of age can NOT be lower than 0 or greater than 100:

    <xs:element name="age">
      <xs:simpleType>
        <xs:restriction base="xs:integer">
          <xs:minInclusive value="0"/>
          <xs:maxInclusive value="100"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:element>

Complete XML Schema Reference

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