Roles
Whenever you add a new member to your account, you can assign policies to those users and make use of the available roles. Roles can only ever be assigned to their given scope and multiple roles can be assigned to a given policy.
Cloudflare API docsList
Get all available roles for an account.
php
$response = $client->accounts()->roles()->list('ACCOUNT_ID');
Details
Get information about a specific role for an account.
php
$response = $client->accounts()->roles()->details('ACCOUNT_ID', 'ROLE_ID');