diff --git a/boards/default_src/python_mixpy/blocks/iot.js b/boards/default_src/python_mixpy/blocks/iot.js
index d81c367e..95e52f25 100644
--- a/boards/default_src/python_mixpy/blocks/iot.js
+++ b/boards/default_src/python_mixpy/blocks/iot.js
@@ -323,6 +323,29 @@ export const IOT_MIXIO_PUBLISH = {
     }
 };
 
+export const IOT_MIXIO_PUBLISHEX = {
+    init: function () {
+        this.setColour(IOT_HUE);
+        this.appendDummyInput()
+            .appendField("MixIO")
+        this.appendValueInput('TOPIC')
+            .appendField(Blockly.Msg.MIXLY_EMQX_PUBLISH_NEW)
+            .appendField(Blockly.Msg.MIXLY_EMQX_PUBLISH_TOPIC);
+        this.appendValueInput('MSG')
+            .appendField(Blockly.Msg.HTML_BODY);
+        this.appendDummyInput()
+            .appendField(Blockly.Msg.MIXLY_Service_quality_display)
+            .appendField(new Blockly.FieldDropdown([
+                [Blockly.Msg.MIXLY_AT_MOST_ONCE,"0"],
+                [Blockly.Msg.MIXLY_AT_LEAST_ONCE,"1"]
+            ]),"quality")
+        this.setInputsInline(true);
+        this.setPreviousStatement(true);
+        this.setNextStatement(true);
+        this.setTooltip(Blockly.Msg.MIXLY_ESP32_IOT_EMQX_PUBLISH_TOOLTIP);
+    }
+};
+
 export const IOT_MIXIO_SUBSCRIBE = {
     init: function () {
         this.setColour(IOT_HUE);
diff --git a/boards/default_src/python_mixpy/generators/iot.js b/boards/default_src/python_mixpy/generators/iot.js
index 3a2e27d1..22502dfb 100644
--- a/boards/default_src/python_mixpy/generators/iot.js
+++ b/boards/default_src/python_mixpy/generators/iot.js
@@ -19,6 +19,15 @@ export const IOT_MIXIO_PUBLISH = function (_, generator) {
     return code;
 }
 
+export const IOT_MIXIO_PUBLISHEX = function (_, generator) {
+    var topic = generator.valueToCode(this, 'TOPIC', generator.ORDER_ATOMIC);
+    var msg = generator.valueToCode(this, 'MSG', generator.ORDER_ATOMIC);
+    var q = this.getFieldValue('quality');
+    generator.definitions_['import_mixiot'] = "import mixiot";
+    var code = 'mqtt_client.publish(MQTT_USR_PRJ + ' + topic + ', ' + msg + ', qos='+ q +')\n';
+    return code;
+}
+
 export const IOT_MIXIO_SUBSCRIBE = function (_, generator) {
     var topic = generator.valueToCode(this, 'TOPIC', generator.ORDER_ATOMIC);
     var method = generator.valueToCode(this, 'METHOD', generator.ORDER_ATOMIC);