If reading more than one attestation you can use `readAttestations` to read them with [multicall](https://www.npmjs.com/package/ethereum-multicall).
If reading more than one attestation you can use [`readAttestations`](#readattestations) to read them with [multicall](https://www.npmjs.com/package/ethereum-multicall).
### Writing an attestation
To write to an attestation you must [connect](https://wagmi.sh/core/connectors/metaMask) your wagmi client if not already connected.
If using Node.js use the [mock connector](https://wagmi.sh/core/connectors/mock)
If using Node.js use the [mock connector](https://wagmi.sh/core/connectors/mock).
Set key, about, creator, or value to `null` to not include that filter
createKey will keep the key as is if it is shorter than 32 bytes and otherwise run it through kekkak256
-->
## Tutorial
For a tutorial on using the attestation station in general, see out tutorial as well as other Optimism related tutorials in our [optimism-tutorial](https://github.com/ethereum-optimism/optimism-tutorial/tree/main/ecosystem/attestation-station#key-values) repo
For a tutorial on using the attestation station in general, see out tutorial as well as other Optimism related tutorials in our [optimism-tutorial](https://github.com/ethereum-optimism/optimism-tutorial/tree/main/ecosystem/attestation-station#key-values) repo.