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Event Monitor - C# Event Debugger View on Asset Store

Package details

Latest version
1.3.0
Last updated
First released
Unity version
6000.3.7 or later
Package size
215 KB
Files
152
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3
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18

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Event Monitor - C# Event Debugger

by Pawel Ciesla

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Automatically trace C# events and UnityEvents in Play Mode — SUB, UNSUB, and INVOKE with no manual logging. Redux-style timeline, live subscribers, and time travel in the Editor.

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Price history

Last 6 months

USD
Price history for Event Monitor - C# Event Debugger, 6 months Current $5.99; lowest $5.99; highest $59.99 in this period. $0 $50 $100 Jul Aug Sep Oct Nov Version 1.1.0 released 13 Jul 2026 v1.1.0 Version 1.2.0 released 16 Jul 2026 Version 1.3.0 released 8 Sep 2026 v1.3.0

Asset preview

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Event Monitor - C# Event Debugger screenshot 1

Event Monitor - C# Event Debugger screenshot 1

About this asset

Stop guessing who subscribed, unsubscribed, or fired your events.

Event Monitor records C# events and UnityEvents in Play Mode — SUB, UNSUB, and INVOKE — with no attributes, no wrappers, and no hand-written Debug.Log calls in your game code.

WHAT YOU GET

• Timeline — every subscribe, unsubscribe, and invoke in order

• Live subscribers — see who is listening right now

• Time travel in the Editor — scrub the event history while debugging

• Zero invasive setup — IL post-processing + optional runtime scan

• Plug and play — Window → Event Monitor → Record → Play Mode

WHO IT IS FOR

Teams shipping event-driven Unity projects who need to debug real listener flow — not replace their event system with another bus.

QUICK START

1. Install the package

2. Open Window → Event Monitor

3. Enable Record

4. Enter Play Mode and watch SUB / UNSUB / INVOKE on the timeline

COMPATIBILITY

• Unity 6 LTS and ALL previous until 2021.3.45f2

• Built-in / URP / HDRP compatible (editor tool)

• Requires Mono Cecil (com.unity.nuget.mono-cecil)

NOT AN EVENT FRAMEWORK

Observes existing C# events and UnityEvents. Does not replace them.

DOCS & SUPPORT

• Docs: https://pawelca.github.io/apps/public/eventmonitor/

• Support: https://pawelca.github.io/apps/public/eventmonitor/troubleshooting/support.html

FAQ

Is it plug and play? Yes — Record + Play Mode.

Rewrite my events? No.

Coding required? Not for basic capture.

From the publisher's Asset Store listing.

Technical details

KEY FEATURES:

Zero-setup instrumentation (IL Post-Processor)

Injects tracking into C# event += / -= / ?.Invoke() and UnityEvent AddListener / RemoveListener / Invoke call sites after compilation.

UnityEvent & UI support

Tracks UnityEvent, Button.onClick, Inspector-wired persistent listeners, and engine-driven UI clicks via an invoke probe — Source labels distinguish C#, UEvent, and Inspector.

Append-only timeline

Every SUB / UNSUB / INVOKE is an immutable record — filter by action, source, and text search.

Optional payload capture

Toggle Payload to capture invocation arguments; Details inspects payload objects (depth/item limits, cycle-safe).

Live subscribers & time travel

See OwnerType :: EventName → SubscriberType :: MethodName. Scrub the log to replay subscriber state on the Subscribers tab (SUB/UNSUB replay; log does not rewind).

Stats & hottest events

Session totals, invoke counts, and top events grouped by Owner.Event (e.g. PromoDemoPlayerBus.OnPlayerJump, not a generic name alone).

Session save/load & compare

Export .emsession.json; reload read-only; compare two sessions with per-event deltas.

Diff view, re-fire, leaks, timing

Pin two log rows for subscriber diff; Re-fire selected INVOKE in Play Mode; leak detection for destroyed handler targets; optional invoke DurationMs and slowest-events chart.

Exception breadcrumbs & growth alerts

Last 20 timeline records when Unity logs an exception; threshold-based subscriber growth warnings.

Assembly filters & ILPP diagnostics

Exclude assemblies from instrumentation; optional compile-time ILPP logs in the Console.

One-click demo scene

Tools → Event Monitor → Generate Demo Scene — labeled buttons, HUD, showcase sequence for leaks, growth, timing, and exceptions.

WHO IS IT FOR?

  • Teams using C# events, UnityEvents, or UI Button.onClick who need visibility without logging everywhere.
  • Intermediate+ Unity developers; beginners can start with the demo scene and Quick Start.
  • Not a runtime analytics SDK, Profiler replacement, or general logger — Editor / Play Mode only.

COMMON QUESTIONS

Do I need to change my game code?

No for standard C# events and typical UnityEvent usage. Open the Event Monitor window before Play, enable Record, and use instrumented assemblies. Plain delegate fields may need TrackInvoke for INVOKE only — see docs.

Does it work with custom dispatchers?

Direct ?.Invoke() is supported; custom dispatch paths may need restructuring or TagPayload — see IL limitations in docs.

READ MORE

Compatibility

Unity version Built-in URP HDRP Custom
6000.5.9f1
6000.3.7f1

As listed on the Asset Store.