How to sync yum repos via proxy in Foreman

Hi guys,
I have Foreman 2.3.2 (+Katello) on Centos 7.9
I have problem with synchronize our repositories, becouse Foreman is behind proxy.
I set up the Foreman according to the documentation (Foreman :: Manual), but this dont work.

How to sync yum repos via proxy in Foreman?
Thank you.

Under “Administer - Settings - Content - Default http proxy”, enter the proxy in form “corp-proxy.corp.com:3128”. That’s all it took for us.

Thank you poulterer.
This works - perfect!