# Extension XML Schema Files

The XSD files in this section are provided as a convenience for those build extensions. You can use the schemas to validate your extension XML files.

## Topics Included in This Section

Action Extension Schema (ActionXml.xsd)

Template Schema (ApplicationTemplate.xsd)

Control Annotations Schema (ControlAnnotations.xsd)

Debugger Expression Extension Schema (DebuggerXml.xsd)

Document Extension Schema (DocumentXml.xsd)

Extension Schema (ExtensionDefn.xsd)

Control Stub Schema (ExternalControlStub.xsd)

File Encoding Extension Schema (FileEncodingXml.xsd)

Frame Extension Schema (FrameXml.xsd)

Help Extension Schema (HelpXml.xsd)

Preferences Extension Schema (PreferencesXml.xsd)

Project Extension Schema (ProjectXml.xsd)

Related Topics

Extension XML Reference

template.xml Reference

Developing IDE Extensions

Developing Application and Project Templates

Developing Advanced Controls