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Sep 6, 2023
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MQTT.md: Document RULE_MAX_MQTT_EVENTSZ #1254

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MQTT.md: Document RULE_MAX_MQTT_EVENTSZ
cmangla Jul 13, 2023
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Update MQTT.md
barbudor Sep 6, 2023
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7 changes: 7 additions & 0 deletions docs/MQTT.md
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Expand Up @@ -220,6 +220,13 @@ To use it you must [compile your build](Compile-your-build). Add the following t
#define SUPPORT_MQTT_EVENT
#endif
```
To default maximum MQTT message size that Tasmota can process is 256 bytes. You can increase it by redefining the following constant in `user_config_override.h`:
```
#ifdef RULE_MAX_MQTT_EVENTSZ
#undef RULE_MAX_MQTT_EVENTSZ
#endif
#define RULE_MAX_MQTT_EVENTSZ 512
```

### Subscribe
Subscribes to an MQTT topic and assigns an [`Event`](Commands#event) name to it.
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