WP User Manager - Add an external link to the Account page tabs

wpum_add_external_link_to_account_tabs.php

<?php

function wpum_account_add_external_link( $tabs ) {
	$tabs['external'] = array(
		'name'     => 'My External Link',
		'priority' => 100,
	);
	
	$tabs['another-external'] = array(
		'name'     => 'Another External Link',
		'priority' => 100,
	);

	return $tabs;
}
add_filter( 'wpum_get_account_page_tabs', 'wpum_account_add_external_link' );

function wpum_acccount_external_link( $tab_url, $step_key ) {
	if ( 'external' === $step_key ) {
		return 'https://externallink.com';
	}
	
	if ( 'another-external' === $step_key ) {
		return 'https://anotherexternallink.com';
	}

	return $tab_url;
}
add_filter( 'wpum_get_account_tab_url', 'wpum_acccount_external_link', 10, 2 );