---
title: MQTT Client
sidebar:
  label: Client
  order: 1
---
import SchemaInfo from '../../../../components/SchemaInfo.astro';

The `mqtt.client` module connects to a MQTT broker and emits a message messages based on the subscribed topic it receives from the port. This module is also capable of publishing MQTT messages to the connected broker.

<SchemaInfo type="module" id="mqtt.client"></SchemaInfo>

This module implements the `PubSubModule` interface.

### Example

Open a mqtt connection to `test.mosquitto.org` subscribing to the `showbridge` topic.

```yaml
- id: mqttClient
  type: mqtt.client
  params:
    broker: "mqtt://test.mosquitto.org:1833"
    topic: showbridge
    clientId: showbridge
```