session.configuration

Reads from AVCaptureSession and AVCaptureMultiCamSession. One reading whenever a session’s inputs, outputs, or connections change.


Delivery	stream, onChange
Mechanism	kvo
Requires	iOS 17+, hardware only, no simulator, basset 0.1.1+

Real output from basset request get, captured against a running AVCaptureSession:

CAPTURED                  ELAPSED  INSTRUMENT

launch 11331933422406966707
2026-08-23T13:13:04.917Z  +0.0s    camera.session.configuration(captureSession)
├─ instanceId             1
├─ sessionClass           AVCaptureSession
├─ sessionPreset          AVCaptureSessionPresetHigh
├─ inputCount             1
├─ outputCount            1
├─ connectionCount        1
├─ activeConnectionCount  1
└─ sessionRunning         false
2026-08-23T13:13:05.168Z  +0.3s    camera.session.configuration(captureSession)
├─ instanceId             1
├─ sessionClass           AVCaptureSession
├─ sessionPreset          AVCaptureSessionPresetHigh
├─ inputCount             1
├─ outputCount            1
├─ connectionCount        1
├─ activeConnectionCount  1
└─ sessionRunning         true

Getting Started

SDK

CLI

Instruments

Reference

session.configuration