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MATRIXX Policy
Sy Policy Counter APIs
The Sy policy counter APIs include MtxRequestDeviceEvaluatePolicyCounterSet and MtxRequestDeviceQuerySession.

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MATRIXX Policy
- About MATRIXX Policy
  MATRIXX Policy describes the tasks that must be completed to configure MATRIXX Policy Application functionality and provides overviews, recommendations, and conceptual discussions to help you understand these tasks. In addition, it describes the supported Diameter policy AVPs and MATRIXX Policy Application SubMan APIs.
- 5G Policy Overview
  The 5G MATRIXX Policy Application provides the business logic and integration into a 3rd party policy control function (PCF) to support real-time policy decisions and rules. It enables your PCF to deliver flexible policy and charging control rules to your 5G network.
- 3G/4G Policy Overview
  The 3G/4G MATRIXX Policy Application runs on top of the Application module and provides the business logic to support real-time policy decisions and rules. It allows charging and network quality of service (QoS) to be flexibly and dynamically linked to customer, service, and network parameters.
- 3G/4G Policy Configuration
  Policy configuration in My MATRIXX includes both Gx and Sy configuration.
- 3G/4G Policy Session APIs
  The SubMan APIs include session query, session validation, and session delete APIs for charging and policy sessions.
- Sy Policy Counter APIs
  The Sy policy counter APIs include MtxRequestDeviceEvaluatePolicyCounterSet and MtxRequestDeviceQuerySession.
- 3G/4G MATRIXX Policy Failover
  A MATRIXX Policy failover can be due to a hard failure or can be planned.
- Policy Profile Selection
  During policy profile selection, product offers are evaluated in descending order from highest to lowest priority and policy profiles collected for Sy and N28 policy counters, Gx command-level QoS, and N40 TIME_LIMIT and VOLUME_LIMIT usage triggers.
- Diameter AVPs for MATRIXX Policy Application
  MATRIXX Engine supports the Sy and Gx interfaces for policy control.
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Glossary

Sy Policy Counter APIs

The Sy policy counter APIs include MtxRequestDeviceEvaluatePolicyCounterSet and MtxRequestDeviceQuerySession.

MtxRequestDeviceEvaluatePolicyCounterSet evaluates the applicable policy counters for a device without creating any Sy sessions or requiring preexisting Sy sessions. It returns the ID and status of each applicable policy counter based on the device object ID. A policy component contains policy tables that may have normalization based on individual balances or a combination of balances. Each row of a policy table references a policy profile which specifies the ID and status of a policy counter. This query uses the policy component from a non-supplemental offer with the highest priority. The query response, MtxResponseDevicePolicyCounterSet, includes an array of MtxPolicyCounterInfo which contains information about each policy counter.

MtxRequestDeviceQuerySession queries session information for the specified device. It returns the information described in the discussion about policy session query and validation.