The purpose of this tutorial is to suppress the message form on the table view and only show it on the single conversation view for replies. This is also a great example of how to customize any Help Scout Desk templates.

Lucky for you the template has already been created:

Step 1:

View the raw file, bottom right link. Copy the html and save it as a new file called conversation_form.php

Step 2:

Place it in your (child) theme directory at 
/hsd_templates/shortcodes/conversation_form.php

Example path shown below.

That’s it!