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 # Class GearTrainDocumentAPI

 Last update: 09.03.2026 

<a id="VM_API_Pre_GearTrain_GearTrainDocumentAPI"></a>

Namespace: [VM.API.Pre.GearTrain](VM.API.Pre.GearTrain.md)  
Assembly: VM.API.Pre.GearTrain.dll

This class implements APIs for gear train document.

```csharp
public static class GearTrainDocumentAPI

```

#### Inheritance

object ← [GearTrainDocumentAPI](VM.API.Pre.GearTrain.GearTrainDocumentAPI.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_)

## Methods

### <a id="VM_API_Pre_GearTrain_GearTrainDocumentAPI_CreateNewGearTrainDocument_System_String_System_String_VM_Vector_VM_Unit_System_Double_System_Boolean_VM_Plane_System_Boolean_VM_API_Pre_LengthUnitType_System_Double_System_Double_System_Double_"></a> CreateNewGearTrainDocument(string, string, Vector, Unit, double, bool, Plane, bool, LengthUnitType, double, double, double)

Create .

```csharp
public static GearTrainDocument CreateNewGearTrainDocument(string newGearTrainFilePath, string documentName = "Subsystem", Vector gravity = default, Unit unit = null, double iconSize = 1, bool advancedMode = true, Plane symmetricPlane = Plane.YZ, bool useSymmetric = false, LengthUnitType kernelLengthUnit = LengthUnitType.M, double shaftDirectionX = 0, double shaftDirectionY = 1, double shaftDirectionZ = 0)

```

#### Parameters

`newGearTrainFilePath` string

The file path of new gear train subsystem.

`documentName` string

The name of document. The default value is Subsystem.

`gravity` Vector

The gravity value.

`unit` Unit

The unit information.

`iconSize` double

The size of icon.

`advancedMode` bool

The flag whether using advanced mode.

`symmetricPlane` Plane

The symetric plane.

`useSymmetric` bool

The flag whether using symmetric.

`kernelLengthUnit` LengthUnitType

The length unit of kernel.

`shaftDirectionX` double

The x direction of shaft.

`shaftDirectionY` double

The y direction of shaft.

`shaftDirectionZ` double

The z direction of shaft.

#### Returns

[GearTrainDocument](https://github.com/AnsysVirtualMotion/DAFUL/blob/9110677a5f6a53d7604f8dfd35b4c5fceb59e8e0/DAFUL/ClassicPre/Data/VMDGearTrain/GearTrainDocument.cs)

The new DocumentChainedPath object that is created by this API.

#### Exceptions

ArgumentNullException

Will be thrown if 'newLinkPathFilePath' argument is null.