Merge pull request #1254 from cmangla/patch-1

MQTT.md: Document RULE_MAX_MQTT_EVENTSZ
tasmota · Sep 6, 2023 · c583a11 · c583a11
2 parents 72986ff + cbc311e
commit c583a11
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/docs/MQTT.md b/docs/MQTT.md
@@ -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.