# Vehicle Model Recognition

This section describes the actions that you can use to train vehicle model recognition.

NOTE: Apart from ListVehicleMakes, ListVehicleModelDatabases, ListVehicleModels, and GetVehicleModelImage, all of these actions are administrative actions. Administrative actions can be sent only by users who belong to an authorization role that allows the `Admin` standard role, or which enables the action explicitly. See Authorization Roles Configuration Parameters.

AddVehicleModelImages | Adds training images to a vehicle model.
AddVehicleModelMetadata | Adds custom metadata (a key-value pair) to a vehicle model.
BuildAllVehicleModels | Trains Media Server to recognize any vehicle models that exist in its database and need training.
BuildVehicleModel | Trains Media Server to recognize a vehicle model.
CreateVehicleModelDatabase | Creates a new, empty, database to store vehicle models for vehicle model recognition.
ExportVehicleModelDatabase | Exports a vehicle model database.
GetVehicleModelImage | Returns a training image associated with a vehicle model.
ImportVehicleModelDatabase | Imports a vehicle model database.
ListVehicleMakes | Lists the vehicle makes that Media Server has been pre-trained to recognize.
ListVehicleModelDatabases | Lists the databases that have been created to store vehicle models.
ListVehicleModels | Returns a list of vehicle models in a specified database.
MoveVehicleModel | Moves a vehicle model from one database to another.
MoveVehicleModelImage | Moves a training image from one vehicle model to another.
NewVehicleModel | Adds a new vehicle model to a database of vehicle models.
NullVehicleModelImageData | Removes (deletes) images from a vehicle model, but does not remove the training generated from those images.
RelabelVehicleModelImage | Relabels a vehicle model image.
RemoveVehicleModel | Removes (deletes) an existing vehicle model.
RemoveVehicleModelDatabase | Removes (deletes) a database that stores vehicle models.
RemoveVehicleModelImages | Removes training images from a vehicle model.
RemoveVehicleModelMetadata | Removes custom metadata (a key-value pair) from a vehicle model.
RenameVehicleModel | Changes the identifier for a vehicle model that you have already added to a database.
RenameVehicleModelDatabase | Renames a database that stores vehicle models.
SetVehicleMake | Associates a vehicle model with a vehicle make.
SyncVehicleModels | Forces Media Server to synchronize with the latest vehicle model training in the database.
TrainVehicleModel | Train Media Server to recognize a vehicle model with a single action.
UnsyncVehicleModels | Removes all vehicle model recognition training from memory (does not affect the database).
UpdateVehicleModelMetadata | Updates the value of a key-value pair in the custom metadata of a vehicle model.

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