Untitled

add_filter('b2bking_filter_message_types_dropdown', function($content){
	ob_start();
	?>
	<option value="quote"><?php esc_html_e('Quote Request','b2bking'); ?></option>
	<option value="message"><?php esc_html_e('Installation Question','b2bking'); ?></option>
	<option value="inquiry"><?php esc_html_e('General Inquiry','b2bking'); ?></option>
	<?php
	$content = ob_get_clean();
	echo $content;
}, 10, 1);