Hi everyone. I have two variables entered by the user using text input. Let's call them variables A and B. Based on the value entered in Variable A, I have a function that sets a specific IP address as msg.url for HTTP request (POST). For instance, if the value A is 10, then the IP address defined i…

Ok then use the payload of the button only as a trigger and then use a change node which constructs the msg object completely new. set msg.url and msg.payload from flow variable (you created before) and send the message into the http request node. so instead of setting the msg.url in the change …

Dear @mickym2 thanks for the reply. I am still very new using node-red so I could not get your answer very well. I think the issue I am having is not about the payload itself, but about providing the msg.url data to the HTTP request once the button is clicked.

@mickym2 I really appreciate the time for explaining in such a detailed way. Thank you so much. I just tried what you suggested and worked like a charm. Danke!

Payload + URL (msg.url) on Button press for POST request

General

mickym2 7 June 2022 01:04 2

In the send node for your button you can specify a flow variable which is sent as payload and contains the body of the POST request.

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Payload + URL (msg.url) on Button press for POST request

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