# Hooks In this section we describe the "hooks" - slashing module code that runs when other events happen. ## Validator Bonded Upon successful first-time bonding of a new validator, we create a new `ValidatorSigningInfo` structure for the now-bonded validator, which `StartHeight` of the current block. ``` onValidatorBonded(address sdk.ValAddress) signingInfo, found = GetValidatorSigningInfo(address) if !found { signingInfo = ValidatorSigningInfo { StartHeight : CurrentHeight, IndexOffset : 0, JailedUntil : time.Unix(0, 0), Tombstone : false, MissedBloskCounter : 0 } setValidatorSigningInfo(signingInfo) } return ```