# UpdateVehicleRequestItem
<a name="API_UpdateVehicleRequestItem"></a>

Information about the vehicle to update.

**Important**  
 AWS IoT FleetWise is no longer open to new customers. Existing customers can continue to use the service as normal. For more information, see [AWS IoT FleetWise availability change](https://docs.aws.amazon.com/iot-fleetwise/latest/developerguide/iotfleetwise-availability-change.html).

## Contents
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 ** vehicleName **   <a name="iotfleetwise-Type-UpdateVehicleRequestItem-vehicleName"></a>
The unique ID of the vehicle to update.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Pattern: `[a-zA-Z\d\-_:]+`   
Required: Yes

 ** attributes **   <a name="iotfleetwise-Type-UpdateVehicleRequestItem-attributes"></a>
Static information about a vehicle in a key-value pair. For example:  
 `"engineType"` : `"1.3 L R2"`   
Type: String to string map  
Key Length Constraints: Minimum length of 1. Maximum length of 150.  
Key Pattern: `[a-zA-Z0-9_.-]+`   
Required: No

 ** attributeUpdateMode **   <a name="iotfleetwise-Type-UpdateVehicleRequestItem-attributeUpdateMode"></a>
The method the specified attributes will update the existing attributes on the vehicle. Use`Overwite` to replace the vehicle attributes with the specified attributes. Or use `Merge` to combine all attributes.  
This is required if attributes are present in the input.  
Type: String  
Valid Values: `Overwrite | Merge`   
Required: No

 ** decoderManifestArn **   <a name="iotfleetwise-Type-UpdateVehicleRequestItem-decoderManifestArn"></a>
The ARN of the signal decoder manifest associated with the vehicle to update.  
Type: String  
Required: No

 ** modelManifestArn **   <a name="iotfleetwise-Type-UpdateVehicleRequestItem-modelManifestArn"></a>
The ARN of the vehicle model (model manifest) associated with the vehicle to update.  
Type: String  
Required: No

 ** stateTemplatesToAdd **   <a name="iotfleetwise-Type-UpdateVehicleRequestItem-stateTemplatesToAdd"></a>
Associate additional state templates to track the state of the vehicle. State templates determine which signal updates the vehicle sends to the cloud.  
Type: Array of [StateTemplateAssociation](API_StateTemplateAssociation.md) objects  
Array Members: Minimum number of 1 item. Maximum number of 20 items.  
Required: No

 ** stateTemplatesToRemove **   <a name="iotfleetwise-Type-UpdateVehicleRequestItem-stateTemplatesToRemove"></a>
Remove existing state template associations from the vehicle.  
Type: Array of strings  
Array Members: Minimum number of 1 item. Maximum number of 20 items.  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Pattern: `[a-zA-Z\d\-_:]+`   
Required: No

 ** stateTemplatesToUpdate **   <a name="iotfleetwise-Type-UpdateVehicleRequestItem-stateTemplatesToUpdate"></a>
Change the `stateTemplateUpdateStrategy` of state templates already associated with the vehicle.  
Type: Array of [StateTemplateAssociation](API_StateTemplateAssociation.md) objects  
Array Members: Minimum number of 1 item. Maximum number of 20 items.  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/iotfleetwise-2021-06-17/UpdateVehicleRequestItem) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iotfleetwise-2021-06-17/UpdateVehicleRequestItem) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iotfleetwise-2021-06-17/UpdateVehicleRequestItem)