# Missing some events Low/Info · Three Sigma · Omnichain RWA tokenisation · 6th April, 2024 Finding 3S-MZ-L03 of the MetaZero Staking security review. - Protocol: https://metazero.gg/ - Report: /reports/metazero-ii - Codebase: https://github.com/0xsimao/stakingContract/tree/dffac73e838a9fbd12bed18e41b9799177bcde7f - Source: https://cdn.sanity.io/files/qoqld077/production/3e07b0c2806b62578b8031e88c59bc5dbd38de1b.pdf --- ### Description Events in the constructor are not emitted. rewardPerToken update could emit an event. withdrawFees() is missing feesAccrued event. completeUnstake() is missing fee paid event. ### Recommendation Emit events for all state changes. ### Status Acknowledged --- Related findings: - [Missing admin change events](https://0xsimao.com/findings/keyring-ii-missing-admin-change-events): Keyring Credentials - [Important events are missing](https://0xsimao.com/findings/metazero-i-important-events-missing): MetaZero Omnichain NFTs - [Missing key events when requesting withdrawals that could be important for the allocator bot](https://0xsimao.com/findings/yieldoor-iii-requesting-withdrawals-allocator-bot): Yieldoor LoopedVault Update