diff --git a/JSON-dictionary.md b/JSON-dictionary.md
index d1296cc..383b2c3 100644
--- a/JSON-dictionary.md
+++ b/JSON-dictionary.md
@@ -27,6 +27,12 @@ Certain commands are used to alter the non volatile settings stored by the contr
 | GlowCurrent | float | 10mA resolution | From ESP | n/a | |
 | GlowVoltage | float | 0.1V resolution | From ESP | n/a | |
 | InputVoltage | float | 0.1V resolution | From ESP | n/a | |
+| MEn | int | 0,1 | To/From ESP | **YES** | MQTT enable |
+| MHost | string | var | To/From ESP | **YES** | MQTT server address |
+| MPasswd | string | var | To/From ESP | **YES** | MQTT password |
+| MPort | int | var | To/From ESP | **YES** | MQTT server port |
+| MQuery | int | 1 | To ESP | n/a | request MQTT params from ESP |
+| MUser | string | var | To/From ESP | **YES** | MQTT username |
 | NVsave | int | 8861 | To ESP | n/a | **must** be 8861 |
 | PumpActual | float | 0.1Hz resolution | From ESP | n/a | |
 | PumpFixed | float | 0.1Hz resolution | From ESP | n/a | |