Hello @Ziad_Zahra if you're looking to setup a QoS policy please check out the following link: https://docs.paloaltonetworks.com/pan-os/10-0/pan-os-admin/quality-of-service/configure-qos
You will need to setup a QoS profile to match the desired throughput, QoS policy, and enable QoS on the interfaces where you would like to enforce such policies. In the policy is where you would specify source IPs/users.
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