# LCE subsystem APIs Source: [https://docs.qualcomm.com/doc/80-PK177-134/topic/lce_functions.html](https://docs.qualcomm.com/doc/80-PK177-134/topic/lce_functions.html) - **[Constructor](https://docs.qualcomm.com/doc/80-PK177-134/topic/lce_link_capacity_estimate_manager.html)** Constructor for the main link into LinkCapacityEstimation. - **[registerForEstimationReports](https://docs.qualcomm.com/doc/80-PK177-134/topic/lce_register_for_estimation_reports.html)** Registers for the estimation reports. Reports are generated after [setReportingCriteria](https://docs.qualcomm.com/doc/80-PK177-134/topic/lce_set_reporting_criteria.html) is successfully called. See [Estimation report](https://docs.qualcomm.com/doc/80-PK177-134/topic/lce_iestimation_report.html) for the report structure. - **[setReportingCriteria](https://docs.qualcomm.com/doc/80-PK177-134/topic/lce_set_reporting_criteria.html)** Sets the session's reporting criteria (periodic or threshold). - **[getLastEstimationReport](https://docs.qualcomm.com/doc/80-PK177-134/topic/lce_get_last_estimation_report.html)** Gets the last estimation report that was generated. - **[performReportingAction](https://docs.qualcomm.com/doc/80-PK177-134/topic/lce_perform_reporting_action.html)** Sends an action to take based on the set reporting criteria. **Parent Topic:** [Link capacity estimation (smart data link)](https://docs.qualcomm.com/doc/80-PK177-134/topic/latency_capacity_estimation.html) Last Published: Nov 14, 2024 [Previous Topic Link capacity estimation (smart data link)](https://docs.qualcomm.com/bundle/publicresource/80-PK177-134/topics/latency_capacity_estimation.md) [Next Topic Constructor](https://docs.qualcomm.com/bundle/publicresource/80-PK177-134/topics/lce_link_capacity_estimate_manager.md)