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# ElectricVehicleChargingReason

Information about a charging-state transition in an electric vehicle status event.

```
enum ElectricVehicleChargingReason
```

## Overview

Use these reasons with [`ElectricVehicleStatusEvent`](/documentation/EnergyKit/ElectricVehicleStatusEvent) to provide information about why a vehicle is actively charging, or why it remains idle when connected to a charger. This information relates to the [`ElectricVehicleLoadEvent`](/documentation/EnergyKit/ElectricVehicleLoadEvent), which focuses on energy consumption. Link the two by providing the load event’s session identifier in status events.

For an example that demonstrates vehicle charging reasons, see [Optimizing home electricity usage](/documentation/EnergyKit/optimizing-home-electricity-usage).

## Topics

### Active charging reasons

[`enum ActiveReason`](/documentation/EnergyKit/ElectricVehicleChargingReason/ActiveReason)

Information about why a vehicle is actively charging.

### Idle state reasons

[`enum IdleReason`](/documentation/EnergyKit/ElectricVehicleChargingReason/IdleReason)

Information about why a vehicle remains idle when connected to a charger.


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