[Yandex Cloud documentation](../../../../index.md) > [Yandex IoT Core](../../../index.md) > Devices API reference > [gRPC](../index.md) > DeviceData > Overview

# IoT Core Service, gRPC: DeviceDataService

A set of methods to work with IoT Core messages on behalf of device

## Methods

#|
||Method | Description ||
|| [Publish](publish.md) | Publishes message on behalf of specified device ||
|#