# Setting Witness Properties

The WitnessSetPropertiesOperation allows witnesses to update their properties on the Hive blockchain.

# Setting Default Witness Properties

Test it yourself: src/typescript/transaction/operations/witness-set-properties/default-witness-properties.ts

import { createHiveChain, WitnessSetPropertiesOperation } from '@hiveio/wax';

// Initialize hive chain interface
const chain = await createHiveChain();

// Initialize a transaction object
const tx = await chain.createTransaction();

const owner = 'witness-account';
const { publicKey1 } = globalThis.snippetsBeekeeperData;

tx.pushOperation(new WitnessSetPropertiesOperation({
  owner,
  witnessSigningKey: publicKey1,
}));

// Get a transaction object holding all operations and transaction TAPOS & expiration data, but transaction is **not signed yet**
console.log(tx.transaction);

# Setting Explicit Witness Properties

As with all operation classes, you can set all the optional fields on a single class instance.

Test it yourself: src/typescript/transaction/operations/witness-set-properties/set-explicit.ts

import { createHiveChain, WitnessSetPropertiesOperation } from '@hiveio/wax';

// Initialize hive chain interface
const chain = await createHiveChain();

const owner = "witness-account";
const { publicKey1 } = globalThis.snippetsBeekeeperData;
const maxBlockSize = 65536;
const hbdInterestRate = 750; // 7.5%
const accountCreationFee = chain.hiveCoins(5); // 5.000 HIVE
const witnessUrl = "https://witness.example.com";

// Initialize a transaction object
const tx = await chain.createTransaction();

tx.pushOperation(new WitnessSetPropertiesOperation({
    owner,
    witnessSigningKey: publicKey1,
    maximumBlockSize: maxBlockSize,
    hbdInterestRate,
    accountCreationFee,
    url: witnessUrl
}));

// Get a transaction object holding all operations and transaction TAPOS & expiration data, but transaction is **not signed yet**
console.log(tx.transaction);