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# ID3D12LifetimeOwner

> Represents an application-defined callback used for being notified of lifetime changes of an object.

Represents an application-defined callback used for being notified of lifetime changes of an object.

## Remarks

## Requirements

**Header:** d3d12\_xs.h or d3d12\_x.h\
**Library:** d3d12\_xs.lib or d3d12\_x.lib\
**Supported Platforms**: XBOX Series consoles and XBOX One family

## See Also


## Related topics

- [CreateLifetimeTracker (XBOX Series consoles)](/reference/graphics/d3d12/interfaces/id3d12device5/methods/id3d12device5_createlifetimetracker_public.md)
- [D3D12_LIFETIME_STATE](/reference/graphics/d3d12/enums/d3d12_lifetime_state_public.md)
- [ID3D12LifetimeTracker](/reference/graphics/d3d12/interfaces/id3d12lifetimetracker/id3d12lifetimetracker_public.md)
- [LifetimeStateUpdated](/reference/graphics/d3d12/interfaces/id3d12lifetimeowner/methods/id3d12lifetimeowner_lifetimestateupdated_public.md)
- [Lobby lifetime and expiration](/services/playfab/multiplayer/lobby/lobby-ttl.md)