allocation And Retention Priority Level
  Parameters
value
QoS Flow allocation and retention priority (ARP) level. Flows with higher priority preempt flows with lower priority, if the settings of preemptionCapability and preemptionVulnerability allow it. 1 is the highest level of priority. If this field is not specified then 5qi is used to derive the ARP value. See 3GPP TS23.501 section 5.7.2.2 for a full description of the ARP parameters.