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 # Class extension

 Last update: 09.03.2026 

<a id="VM_CAD_Kernel_extension"></a>

Namespace: [VM.CAD.Kernel](VM.CAD.Kernel.md)  
Assembly: VM.CAD.Kernel.dll

This is a class for XmlSerialize when CADImport.

```csharp
public class extension

```

#### Inheritance

object ← [extension](VM.CAD.Kernel.extension.md)

#### Extension Methods

[LinkPropertyItemCache.GetLinkProperties(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkProperties_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkPropertiesAndValues(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkPropertiesAndValues_System_Object_VM_Models_Pre_LinkPropertyType_), [LinkPropertyItemCache.GetLinkedObjects&lt;T&gt;(object, LinkPropertyType)](VM.Models.Pre.Cache.LinkPropertyItemCache.md#VM_Models_Pre_Cache_LinkPropertyItemCache_GetLinkedObjects__1_System_Object_VM_Models_Pre_LinkPropertyType_)

## Constructors

### <a id="VM_CAD_Kernel_extension__ctor"></a> extension()

```csharp
public extension()

```

## Properties

### <a id="VM_CAD_Kernel_extension_value"></a> value

```csharp
public string value { get; set; }

```

#### Property Value

string