# MQTT client
STABLE NYMEA
Subscribe to the internal or an external MQTT broker and send and receive MQTT messages.
_Installation guide coming soon._
## Reference
**Manufacturer:** nymea
**Plugin:** `mqttclient`
#### Supported models
| Model | Role | Transport | Pairing | Quantities |
| --- | --- | --- | --- | --- |
| **Internal MQTT client** | inputtrigger, outputtrigger | — | Manual | 0 |
| **MQTT client** | inputtrigger, outputtrigger | — | Manual | 0 |
#### Per-model detail
??? abstract "Internal MQTT client — `internalMqttClient`"
_Settings:_
| Key | Label | Type | Range | Default | Read-only |
| --- | --- | --- | --- | --- | --- |
| `topicFilter` | Subscription topic filter | QString | — | `#` | no |
??? abstract "MQTT client — `mqttClient`"
_Settings:_
| Key | Label | Type | Range | Default | Read-only |
| --- | --- | --- | --- | --- | --- |
| `serverAddress` | Address | QString | — | — | no |
| `serverPort` | Port | int | 0–65535 | `1883` | no |
| `username` | Username | QString | — | — | no |
| `clientId` | Client Id | QString | — | `nymea` | no |
| `password` | Password | QString | — | — | no |
| `topicFilter` | Subscription topic filter | QString | — | `#` | no |
| `useSsl` | Use SSL | bool | — | `False` | no |
| `willTopic` | Will topic | QString | — | — | no |
| `willMessage` | Will message | QString | — | — | no |
| `willRetain` | Retain will | bool | — | `False` | no |
| `willQoS` | Will QoS | uint | 0–2 | `0` | no |
| `keepAlive` | Keep alive | uint | 0–65535 | `60` | no |