# ForcedExit

Forced withdraw from Layer3

<table><thead><tr><th width="20">Name</th><th width="20">Type</th><th width="10">Required</th><th width="250">Description</th></tr></thead><tbody><tr><td>type</td><td>String</td><td>yes</td><td>The value is "ForcedExit"</td></tr><tr><td>toChainId</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#chainid">ChainId</a></td><td>yes</td><td>The target chain of the withdrawal</td></tr><tr><td>initiatorAccountId</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#accountid">AccountId</a></td><td>yes</td><td>Account ID of the transaction initiator</td></tr><tr><td>initiatorSubAccountId</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#subaccountid">SubAccountId</a></td><td>yes</td><td>Subaccount ID of the transaction initiator</td></tr><tr><td>initiatorNonce</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#nonce">Nonce</a></td><td>yes</td><td>Nonce of the transaction initiator's subaccount</td></tr><tr><td>target</td><td>String</td><td>yes</td><td>The account address of the forced withdraw, the token on Layer 1 is also sent to this address</td></tr><tr><td>targetSubAccountId</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#accountid">AccountId</a></td><td>yes</td><td>Subaccount ID of the account of the forced withdraw</td></tr><tr><td>l2SourceToken</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#tokenid">TokenId</a></td><td>yes</td><td>The token deducted from the account of the forced withdraw</td></tr><tr><td>l1TargetToken</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#tokenid">TokenId</a></td><td>yes</td><td>This token sent to the to_address on L1</td></tr><tr><td>exitAmount</td><td><a href="/pages/BDCFoF8VRxOutzyi5iLV">BigUint</a></td><td>yes</td><td>Withdrawal amount</td></tr><tr><td>withdrawToL1</td><td>u8</td><td>yes</td><td>1: true, 0: false. withdraw to L1 or not</td></tr><tr><td>ts</td><td>u32</td><td>yes</td><td>Timestamp of the API call, used as front-end request id to generate transaction hash</td></tr><tr><td>signature</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#zklinksignature">ZkLinkSignature</a></td><td>yes</td><td>the public key hash corresponding to the signature must be aligned with the initiator account</td></tr></tbody></table>

For example:

```json
{
  "type": "ForcedExit",
  "toChainId": 1,
  "initiatorAccountId": 7,
  "initiatorSubAccountId": 3,
  "initiatorNonce":4,
  "target": "0x3498f456645270ee003441df82c718b56c0e6666",
  "targetSubAccountId": 2,
  "l2SourceToken": 1,
  "l1TargetToken": 17,
  "exitAmount": "4100000000000000",
  "ts": 1646102148,
  "withdrawToL1": 0,
  "signature": {
    "pubKey": "0x0dd4f603531bd78bbecd005d9e7cc62a794dcfadceffe03e269fbb6b72e9c724",
    "signature": "a8719d0f771f34a177bbf199ab7b0decd03b5db29edf173ed980d19c7864c5a3761111620ab1982ef1bb7459d5a919727e51b895799e2706ddd5a5328146eb01"
  }
}
```

### sign ForcedExit

{% tabs %}
{% tab title="Golang" %}

```go
func SignForcedExit() {
    privateKey := "0xbe725250b123a39dab5b7579334d5888987c72a58f4508062545fe6e08ca94f4"
    address := sdk.ZkLinkAddress("0xAFAFf3aD1a0425D792432D9eCD1c3e26Ef2C42E9")
    builder := sdk.ForcedExitBuilder{
        ToChainId: sdk.ChainId(1),
        InitiatorAccountId: sdk.AccountId(1),
        TargetSubAccountId: sdk.SubAccountId(1),
        Target: address,
        InitiatorSubAccountId: sdk.SubAccountId(1),
        L2SourceToken: sdk.TokenId(18),
        L1TargetToken: sdk.TokenId(18),
        InitiatorNonce: sdk.Nonce(1),
        ExitAmount: *big.NewInt(100000),
        WithdrawToL1: false,
        Timestamp: sdk.TimeStamp(1693472232),
    }
    tx := sdk.NewForcedExit(builder)
    signer, err := sdk.NewSigner(privateKey)
    if err != nil {
        return
    }
    txSignature, err := signer.SignForcedExit(tx)
    fmt.Println("L1 signature: %s", txSignature.Layer1Signature)
    fmt.Println("signed Tx: %s", txSignature.Tx)
    submitterSignature, err := signer.SubmitterSignature(txSignature.Tx)
    fmt.Println("submitter signature: %s, %s", submitterSignature.PubKey, submitterSignature.Signature)
}
```

For more detail please refer to [Golang example](https://github.com/zkLinkProtocol/zklink_sdk/tree/main/examples/Golang) in SDK
{% endtab %}

{% tab title="javascript" %}

```javascript
import init, *  as wasm  from "/path/to/zklink-sdk-web.js";

async function main() {
    await init();
    const to_address = "0x5505a8cD4594Dbf79d8C59C0Df1414AB871CA896";
    const ts  = Math.floor(Date.now() / 1000);
    try {
        let tx_builder = new wasm.ForcedExitBuilder(1,10, 1, 1, to_address,18, 18,"100000000000000",  1,ts);
        let forced_exit = wasm.newForcedExit(tx_builder);
        let signer = new wasm.JsonRpcSigner();
        await signer.initZklinkSigner();
        let signature = signer.signForcedExit(forced_exit)
        console.log(signature);

        let submitter_signature = signer.submitterSignature(signature.tx);
        console.log(submitter_signature);
        let rpc_client = new wasm.RpcClient("testnet");
        let tx_hash = await rpc_client.sendTransaction(signature.tx,null,submitter_signature);
        console.log(tx_hash);

    } catch (error) {
        console.error(error);
    }

}
```

For more detail please refer to [javascript example](https://github.com/zkLinkProtocol/zklink_sdk/tree/main/examples/Javascript)
{% endtab %}
{% endtabs %}


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.zk.link/developer/api-and-sdk/transaction/forced_exit.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.