Add User Role

functions.php

	// Add role (voer dit eenmalig uit)
	// 	Voeg coordinator toe
		$result = add_role(
		    'coordinator',
		    __( 'Coördinator' ),
		    array(
		        'read'         => true,
		        'edit_posts'   => true,
		        'delete_posts' => false,
		    )
		);
		if ( null !== $result ) {
		    echo 'Yay! New role created!';
		}
		else {
		    echo 'Oh... the basic_contributor role already exists.';
		}