diff --git a/omnichain/swap/contracts/Swap.sol b/omnichain/swap/contracts/Swap.sol
index de53d39..629680f 100644
--- a/omnichain/swap/contracts/Swap.sol
+++ b/omnichain/swap/contracts/Swap.sol
@@ -12,6 +12,14 @@ contract Swap is zContract {
     error WrongGasContract();
     error NotEnoughToPayGasFee();
 
+    // Define the SwapCompleted event
+    event SwapCompleted(
+        address indexed zrc20,
+        address indexed targetToken,
+        uint256 amount,
+        bytes recipient
+    );
+
     constructor(address systemContractAddress) {
         systemContract = SystemContract(systemContractAddress);
     }
@@ -68,5 +76,13 @@ contract Swap is zContract {
             recipientAddress,
             outputAmount - gasFee
         );
+
+        // Emit the SwapCompleted event
+        emit SwapCompleted(
+            zrc20,
+            targetTokenAddress,
+            outputAmount,
+            recipientAddress
+        );
     }
 }
diff --git a/omnichain/swap/goldsky.json b/omnichain/swap/goldsky.json
new file mode 100644
index 0000000..b850540
--- /dev/null
+++ b/omnichain/swap/goldsky.json
@@ -0,0 +1,20 @@
+{
+  "version": "1",
+  "name": "swap",
+  "abis": {
+    "swap": {
+      "path": "artifacts/contracts/Swap.sol/Swap.json"
+    }
+  },
+  "chains": [
+    "zetachain-testnet"
+  ],
+  "instances": [
+    {
+      "abi": "swap",
+      "address": "0x507D87b4Ce1Afd0C33C3AF2Ff0963d2d29BeE642",
+      "chain": "zetachain-testnet",
+      "startBlock": 2773831
+    }
+  ]
+}
\ No newline at end of file