Blueprint-first structured logging system for Unreal Engine
Log structs, arrays, maps, and primitive values directly from Blueprints
Outputs to JSON Lines (.jsonl) files under Saved/Logs/ or a custom location
Color-coded console output for INFO, WARNING, ERROR, and CUSTOM levels
Custom log label support for user-defined categories
Flatten-mode support for dotted-key serialization
Automatic Session ID creation and per-run metadata
Configurable file rotation, retention, and output directory via Project Settings
Safe line-length cap to prevent oversized writes
Works in Editor, Standalone, and Packaged builds
No external dependencies or network usage — all local file I/O

SessionLogger

0 (All functionality exposed through Blueprint-callable C++ nodes)

3 main classes:

geraltthebarbarian

Product types