Button action and text

Good morning, I'm new to node-red and how can I make it, for example, when clicking on a button, it loads the content of a text and displays it? Is there any training, tutorial or handout?

Welcome to the forum @rcalves

What do you mean by "loads the content of a text"?

I recommend watching this playlist: Node-RED Essentials. The videos are done by the developers of node-red. They're nice & short and to the point.

All what you need to use is a dashboard button, a file node and a text node, link them together and configure each one to send the msg payload to the next one.

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