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

# Module function_selector

Module: `noir_aztec::protocol::abis::function_selector`

## Structs

- [FunctionSelector](/aztec-nr-api/v6.0.0/noir_aztec/protocol/abis/function_selector/struct.FunctionSelector.md)