# QAPE subsystem callback interfaces Source: [https://docs.qualcomm.com/doc/80-PK177-134/topic/qape_subsystem_callback_interfaces.html](https://docs.qualcomm.com/doc/80-PK177-134/topic/qape_subsystem_callback_interfaces.html) - **[Thermal callback](https://docs.qualcomm.com/doc/80-PK177-134/topic/qape_report_thermal_cb.html)** Callback triggered when the thermal zone changes. **Parent Topic:** [Performance API](https://docs.qualcomm.com/doc/80-PK177-134/topic/performance_api_qape.html) Last Published: Nov 14, 2024 [Previous Topic stop\_scenario](https://docs.qualcomm.com/bundle/publicresource/80-PK177-134/topics/oem_stop_scenario.md) [Next Topic Thermal callback](https://docs.qualcomm.com/bundle/publicresource/80-PK177-134/topics/qape_report_thermal_cb.md)