# Funding

<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 "Funding"</td></tr><tr><td>accountId</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#accountid">AccountId</a></td><td>yes</td><td>The account ID of Funding</td></tr><tr><td>subAccountId</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#subaccountid">SubAccountId</a></td><td>yes</td><td>The subaccount ID of Funding</td></tr><tr><td>subAccountNonce</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#nonce">Nonce</a></td><td>yes</td><td>The subaccount nonce</td></tr><tr><td>fundingAccountIds</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#accountid">AccountId</a> array</td><td>yes</td><td>The account id list of funding</td></tr><tr><td>fee</td><td><a href="/pages/BDCFoF8VRxOutzyi5iLV">BigUint</a></td><td>yes</td><td>The fee</td></tr><tr><td>feeToken</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#tokenid">TokenId</a></td><td>yes</td><td>The token id of the fee</td></tr><tr><td>signature</td><td><a href="/pages/9wsGjTwfpfc2nyUJWAzS#zklinksignature">ZkLinkSignature</a></td><td>yes</td><td>The Zklink L2 signature</td></tr></tbody></table>

For example:

```json
{
  "accountId": 0,
  "subAccountId": 0,
  "subAccountNonce": 0,
  "fundingAccountIds": [
    1,
    2
  ],
  "fee": "0",
  "feeToken": 0,
  "signature": {
    "pubKey": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "signature": "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
  }
}
```

### Sign Funding

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

```go
import (
    fmt
    sdk "github.com/zkLinkProtocol/zklink_sdk/generated/uniffi/zklink_sdk"
)

func SignFunidng() {
    privateKey := "0xbe725250b123a39dab5b7579334d5888987c72a58f4508062545fe6e08ca94f4"

    var funding_account_ids = make([]sdk.AccountId,3)
    funding_account_ids[0] = sdk.AccountId(55)
    funding_account_ids[1] = sdk.AccountId(56)
    funding_account_ids[2] = sdk.AccountId(57)

    builder := sdk.FundingBuilder{
        sdk.AccountId(1),
        sdk.SubAccountId(99),
        sdk.Nonce(23),
        funding_account_ids,
        *big.NewInt(100000000000),
        sdk.TokenId(17),
    }
    tx := sdk.NewFunding(builder)
    signer, err := sdk.NewSigner(privateKey)
    if err != nil {
        return
    }
    txSignature, err := signer.SignFunding(tx)
    if err != nil {
        return
    }
    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
const {FundingBuilder,Signer,newFunding,RpcClient } = require('./node-dist/zklink-sdk-node');
async function testFunding() {
    const private_key = "be725250b123a39dab5b7579334d5888987c72a58f4508062545fe6e08ca94f4";
    try {
        const signer = new Signer(private_key);
        let tx_builder = new FundingBuilder(5,1,2,[3,4,5],"34343",17);
        let tx = newFunding(tx_builder);
        console.log(tx);
        let tx_signature = signer.signFunding(tx);
        console.log(tx_signature);

        let submitter_signature = signer.submitterSignature(tx_signature.tx);
        console.log(submitter_signature);
        //send to zklink
        let rpc_client = new RpcClient("testnet");
        let tx_hash = await rpc_client.sendTransaction(tx_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 %}


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