# Play Event 2D triggering an event with a 3D Panner

**URL:** https://qa.fmod.com/t/play-event-2d-triggering-an-event-with-a-3d-panner/13299
**Category:** Unreal Engine
**Created:** [July 19, 2017, 1:12pm UTC](https://qa.fmod.com/t/play-event-2d-triggering-an-event-with-a-3d-panner/13299 "2017-07-19T13:12:05Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![jacobalmond](https://avatars.discourse-cdn.com/v4/letter/j/d26b3c/32.png) [@jacobalmond](https://qa.fmod.com/u/jacobalmond)
#### Post date: [July 19, 2017, 1:12pm UTC](https://qa.fmod.com/t/play-event-2d-triggering-an-event-with-a-3d-panner/13299/1 "2017-07-19T13:12:05Z")

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Hi All,

I need some help understanding the behaviour of the “Play Event 2D” function available in Unreal blueprints.

My (quite possibly wrong!) expectation would be that triggering an FMOD event which has a 3D Panner on it with the “Play Event 2D” function would override all 3D parameters and simply play the event in 2D.

The behaviour I am getting, however, is that the sound will not be audible at all. I am unsure yet whether it is not playing the sound outright, or it is just applying attenuation which makes it inaudible.

I have two methods of getting around this currently:

- Have one event for 2D and one event for 3D.
- Modulate the Pan Override for the event by a parameter.

Please could somebody let me know if I am misunderstanding the “Play Event 2D” function?

Here are some repro steps to demonstrate the behaviour:

_1. Create an event in FMOD which has a 3D Panner.  
2. Hook up the FMOD event in an Unreal blueprint, using “Play Event 2D”.  
3. Press Play on the Unreal project and cause the FMOD event to trigger._

_Results:  
Nothing is audible when the FMOD event is triggered._

_Expected Results:  
Because “Play Event 2D” was used, FMOD should override any 3D panning and play the event in 2D._

Thanks!

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<div class="post-metadata">

### Author: ![cameron-fmod](https://yyz2.discourse-cdn.com/flex036/user_avatar/qa.fmod.com/cameron-fmod/32/261_2.png) [@cameron-fmod](https://qa.fmod.com/u/cameron-fmod)
#### Post date: [July 20, 2017, 1:53am UTC](https://qa.fmod.com/t/play-event-2d-triggering-an-event-with-a-3d-panner/13299/2 "2017-07-20T01:53:11Z")

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Due to the name of the function it has different result than expected.

It is intended for use **with** 2D events, without having to attach an object or location.  
It should really be called “Play2DEvent()”.

The easiest way to play a 3D event 2D would be to attach it to the player/listener in game.