Making a roblox plugin

So you may be familiar with plugins in roblox like this
image

Im trying to make a plugin where you can type in a box and it prints it in the output. How do i do this? I’m new to plugins.

Thank you for reading.

You can look at a devforum post where its shown how to do this

See Building Studio Widgets, Intro to Plugins and Drag and Drop in Studio Widgets