In most cases, Drush can utilize arguments passed to display additional information about an object in Drupal. So far, we have used the drush role-list command to display all roles. However, if we pass the name of the role as an argument, Drush will return the permissions assigned to that role.

For example, to display the permissions assigned to our developer role, all we need to do is enter the following command in a terminal window:

    drush role-list developer