Untitled

add_action('salesking_customers_custom_columns_header', function(){
	?>
	<th class="nk-tb-col tb-col-md"><span class="sub-text"><?php esc_html_e('Customer Group','salesking'); ?></span></th>
	<?php
});
add_action('salesking_customers_custom_columns_content', function($customer){
	$user_id = $customer->ID;
	$is_b2b = get_user_meta($user_id,'b2bking_b2buser', true);
	if ($is_b2b === 'yes'){
		$group_id = get_user_meta($user_id,'b2bking_customergroup', true);
		$group = get_the_title($group_id);
		if (empty($group)){
			$group = '-';
		}
	} else {
		$group = '-';
	}
	?>
	<td class="nk-tb-col tb-col-md">
	    <div>
	        <span class="tb-amount"><?php echo $group;?></span>
	    </div>
	</td>
	<?php
}, 1);