lexicaljs rich text editor customize FORMAT_TEXT_COMMAND

Question

Currently using lexicaljs rich text editor for react app. I want to implement font family that acts like underline, bold and italic. Basiclly it wrap a selected element with span with inline style font family. is there a way to add option to customize FORMAT_TEXT_COMMAND?

dispatchCommand:

<button
   onClick={() => {
       editor.dispatchCommand(FORMAT_TEXT_COMMAND, 'Arial');
   }}
>