> Aztec.nr API reference, v6.0.0 (mainnet and testnet). Index: https://docs.aztec.network/aztec-nr-api/mainnet/llms.txt

# Module event

Module: `noir_aztec::event`

Event traits and utilities.

## Modules

- [event_emission](/aztec-nr-api/mainnet/noir_aztec/event/event_emission/index.md)
- [event_interface](/aztec-nr-api/mainnet/noir_aztec/event/event_interface/index.md)

## Structs

- [EventMessage](/aztec-nr-api/mainnet/noir_aztec/event/struct.EventMessage.md): A message with information about an event that was emitted in the current contract call. This message **MUST** be delivered to a recipient in order to not lose the private event information.
- [EventSelector](/aztec-nr-api/mainnet/noir_aztec/event/struct.EventSelector.md)