Hi @edcole,
There isn’t a built in way to add any extra content to Harmonic’s Title panel. To add content, you’ll need to add to the theme’s underlying HTML template file.
The first step to do that is to set up a child theme.
In case you’re unsure, the following guides provide a good introduction to child themes, including steps to set one up:
After you have completed that step, copy the parent’s content-front-intro.php file to your child theme’s directory and then open it in your favourite text/code editor.
The code in this file pulls in the title, tagline, and logo to the Title panel.
As a starting point, you can try adding the code for your button just above this part of the file:
</div><!-- #header-branding -->
The exact code will depend on what your plugin supplies.
If you don’t wish to set up a child theme then, as an alternative, you could consider adding the code for the button to the Page panel.
Hope that helps put you on the right path!
