Adds types used by the XmlSchemaImporter for mapping XSD types to .NET Framework types. For more information about configuration files, see Configuration File Schema.

<configuration>
<system.xml.serialization>
<schemaImporterExtensions>

## Syntax

<add name = "typeName" type="fully qualified type [,Version=version number] [,Culture=culture] [,PublicKeyToken= token]"/>


## Attributes and Elements

The following sections describe attributes, child elements, and parent elements.

### Attributes

Attribute Description
name A simple name that is used to find the instance.
type Required. Specifies the schema extension class to add. The type attribute value must be on one line, and include the fully qualified type name. When the assembly is placed in the Global Assembly Cache (GAC), it must also include the version, culture, and public key token of the signed assembly.

None.

### Parent Elements

Element Description
<schemaImporterExtensions> Contains the types that are used by the XmlSchemaImporter.

## Example

The following code example adds an extension type that the XmlSchemaImporter can use when mapping types.

<configuration>
<system.xml.serialization>
<schemaImporterExtensions>