functions.php

<?php

// Custom OrganizeWP Info Column to display Comment count for each entry.
// @link https://organizewp.com/docs/info-columns/
class MyOwpInfoColumnComments extends \OrganizeWP\PostTypeInfoColumn {
	
	function __construct( \OrganizeWP\PostType $post_type ) {
		$this->assets();
	}

	// Markup to display the value for the applicable entry.
	function display( \OrganizeWP\Entry $entry ): string {
		return '<span class="organizewp-badge my-owp-comment-count">Comments: ' . esc_html( get_comment_count( $entry->ID )['approved'] ) . '</span>';
	}

	// Custom CSS for our custom Info Column.
	function assets() {
		add_action( 'admin_footer', function() {
			if ( 'toplevel_page_organizewp' !== get_current_screen()->base ) {
				return;
			}
			?>
			<style>
				.my-owp-comment-count {
					text-align: center;
				}
			</style>
			<?php
		} );
	}
}