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The "Custom Menu Item Exercise" Lesson is part of the full, Electron Fundamentals, v2 course featured in this preview video. Here's what you'd learn in this lesson:

Students are instructed to create the custom menu item for the 'Save HTML' button.

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Transcript from the "Custom Menu Item Exercise" Lesson

[00:00:00]
>> Steve Kinney: As consistent with our current pattern, I implemented Open and Save for the full markdown file. Do you know what you're gonna implement? SaveHTML, right? So a same basic pattern, I'll save this branch and I'll push it up. And then you're gonna do the same thing. You're gonna add one more menu item called saveHTML.

[00:00:21] If you wanna make it, you don't have to give it an accelerator, I don't know if exporting always will have one. You can give it Cmd+E if you want, Command+Shift+S, whatever makes you the happiest you can go ahead and give it. What we wanna do is same thing, we wanna refactor out that event listener to it's own method, send a message from the main process to the renderer process.

[00:00:40] And then when that happens, go ahead and call that saveHTML function that we already have in the main process.