MQTT Client

overview the mqtt client tool allows users to publish messages, access subscriptions, and perform quick troubleshooting on the mqtt client page, you can view messages as they are published to the broker in real time add subscriptions to specific topics, with support for wildcard characters for broader topic coverage send messages to the broker with custom topics, retain properties, and qos settings access mqtt client ui to access the mqtt client pane log in to litmus uns from the navigation panel, select tools the mqtt client pane appears refer to the following actions you can take from the mqtt client's web ui action details \[1] connection status displays the current status of the connection to the mqtt broker ( "connected", "disconnected") \[2] add subscription add a new topic subscription supports wildcard characters for flexible topic matching \[3] filter allows users to filter messages based on criteria such as topic or content \[4] auto scroll enable or disable automatic scrolling for the message feed \[5] message feed displays all received messages for subscribed topics in real time \[6] publish message panel topic input the topic to which the message should be published message enter the payload to be sent retain a toggle to determine whether the message is retained by the broker qos selection choose the quality of service level for message delivery (0, 1, or 2) send button publish the entered message to the specified topic troubleshooting what should i do if i am experiencing connection issues? verify the broker url and port, and ensure proper web socket configuration (e g , using wss\ // ) what if i cannot receive any messages? confirm that the subscription topic path matches the publisher's topic and check if wildcard usage is appropriate what can i do if i'm unable to publish messages? validate that the topic and message payload format are correct, and ensure that the broker is online and accepting connections