Add custom google font to Beaver Builder theme

functions.php

<?php
//	Add this function in the functions.php of your theme
add_filter( 'fl_theme_google_fonts', 'wearewp_theme_google_fonts' );
function wearewp_theme_google_fonts( $google ){
	
	//	Add a font from https://fonts.google.com/ : font name => font size (100, 200...)
	$google['Saira'] = array(
		"100",
		"200",
		"400",
		"400",
		"500",
		"600",
		"700",
		"800",
	);
	
	//	If you want to delete a font
	unset( $google['Sail'] );
	
	//	Order the new list
	ksort( $google );
	
	//	Return the updated list
	return $google;
}