diff --git a/examples/linea/hardhat.config.js b/examples/linea/hardhat.config.js
index f48e4f3..d6ffded 100644
--- a/examples/linea/hardhat.config.js
+++ b/examples/linea/hardhat.config.js
@@ -3,6 +3,7 @@ require('./scripts/syncL2Requests');
 require('./scripts/syncBatchRoot');
 require('./scripts/setValidator');
 require('./scripts/changeFeeParams');
+require('./scripts/setSecondaryGateway');
 
 const BaseConfig = require('../../hardhat.base.config');
 
diff --git a/examples/linea/scripts/setSecondaryGateway.js b/examples/linea/scripts/setSecondaryGateway.js
new file mode 100644
index 0000000..6c6e5d1
--- /dev/null
+++ b/examples/linea/scripts/setSecondaryGateway.js
@@ -0,0 +1,115 @@
+const { JsonRpcProvider, Wallet, formatEther } = require('ethers');
+const { LineaSDK, OnChainMessageStatus } = require('@consensys/linea-sdk');
+const { readDeployLogField, readDeployContract, getLogName } = require('../../../script/utils');
+const logName = require('../../../script/deploy_log_name');
+const { task, types } = require('hardhat/config');
+
+require('dotenv').config();
+
+function sleep(ms) {
+  return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+task('setSecondaryGateway', 'Send secondary gateway')
+  .addOptionalParam(
+    'arbitrator',
+    'The arbitrator address (default get from arbitrator deploy log)',
+    undefined,
+    types.string,
+  )
+  .addParam('targetNetwork', 'L2 network name', undefined, types.string, false)
+  .addOptionalParam('active', 'Enable the gateway?', true, types.boolean)
+  .setAction(async (taskArgs, hre) => {
+    const ethereumName = process.env.ETHEREUM;
+    const lineaName = process.env.LINEA;
+    console.log(`Ethereum net name: ${ethereumName}`);
+    console.log(`Linea net name: ${lineaName}`);
+
+    let arbitratorAddr = taskArgs.arbitrator;
+    let targetNetwork = taskArgs.targetNetwork;
+    const active = taskArgs.active;
+    console.log(`Enable the gateway? ${active}`);
+    if (targetNetwork === lineaName) {
+      console.log('Can not set for primary chain');
+      return;
+    }
+
+    const walletPrivateKey = process.env.DEVNET_PRIVKEY;
+    const l1Provider = new JsonRpcProvider(process.env.L1RPC);
+    const l2Provider = new JsonRpcProvider(process.env.L2RPC);
+    const l1Wallet = new Wallet(walletPrivateKey, l1Provider);
+    const l2Wallet = new Wallet(walletPrivateKey, l2Provider);
+    const sdk = new LineaSDK({
+      l1RpcUrl: process.env.L1RPC ?? '',
+      l2RpcUrl: process.env.L2RPC ?? '',
+      l1SignerPrivateKey: walletPrivateKey ?? '',
+      l2SignerPrivateKey: walletPrivateKey ?? '',
+      network: ethereumName === 'GOERLI' ? 'linea-goerli' : 'linea-mainnet',
+      mode: 'read-write',
+    });
+    const lineaL1Contract = sdk.getL1Contract();
+    const lineaL2Contract = sdk.getL2Contract();
+
+    const l1WalletAddress = await l1Wallet.getAddress();
+    const l1WalletBalance = formatEther(await l1Provider.getBalance(l1WalletAddress));
+    console.log(`${l1WalletAddress} balance on l1: ${l1WalletBalance} ether`);
+    const l2WalletAddress = await l2Wallet.getAddress();
+    const l2WalletBalance = formatEther(await l2Provider.getBalance(l2WalletAddress));
+    console.log(`${l2WalletAddress} balance on l2: ${l2WalletBalance} ether`);
+
+    if (arbitratorAddr === undefined) {
+      arbitratorAddr = readDeployLogField(
+        logName.DEPLOY_ARBITRATOR_LOG_PREFIX,
+        logName.DEPLOY_LOG_ARBITRATOR,
+        ethereumName,
+      );
+    }
+    if (arbitratorAddr === undefined) {
+      console.log('The arbitrator address not exist');
+      return;
+    }
+    console.log(`The arbitrator address: ${arbitratorAddr}`);
+
+    let l1GatewayAddr;
+    if (targetNetwork === ethereumName) {
+      l1GatewayAddr = readDeployContract(logName.DEPLOY_ETH_GATEWAY_LOG_PREFIX, logName.DEPLOY_GATEWAY, ethereumName);
+    } else {
+      const l1GatewayLogName = getLogName(logName.DEPLOY_L1_GATEWAY_LOG_PREFIX, targetNetwork);
+      l1GatewayAddr = readDeployContract(l1GatewayLogName, logName.DEPLOY_GATEWAY, ethereumName);
+    }
+    if (l1GatewayAddr === undefined) {
+      console.log('L1 gateway address not found');
+      return;
+    }
+    console.log(`The secondary chain l1 gateway address: ${l1GatewayAddr}`);
+
+    // forward message to L2
+    const arbitrator = await hre.ethers.getContractAt('Arbitrator', arbitratorAddr, l1Wallet);
+    const adapterParams = '0x';
+    let tx = await arbitrator.setSecondaryChainGateway(l1GatewayAddr, active, adapterParams);
+    console.log(`The tx hash: ${tx.hash}`);
+    await tx.wait();
+    console.log(`The tx confirmed`);
+
+    /**
+     * Query the transaction status on L2 via messageHash.
+     */
+    const message = (await lineaL1Contract.getMessagesByTransactionHash(tx.hash)).pop();
+
+    // Waiting for the official Linea bridge to forward the message to L2
+    // And manually claim the message on L2
+    /*eslint no-constant-condition: ["error", { "checkLoops": false }]*/
+    while (true) {
+      const messageStatus = await lineaL2Contract.getMessageStatus(message.messageHash);
+      console.log(`The message status: ${messageStatus}`);
+      if (messageStatus === OnChainMessageStatus.CLAIMABLE) {
+        const tx = await lineaL2Contract.claim(message);
+        console.log(`The tx hash: ${tx.hash}`);
+        await tx.wait();
+        console.log(`The tx confirmed`);
+        break;
+      }
+      await sleep(60 * 1000);
+    }
+    console.log('Done');
+  });