# Funding

### type FundingBuilder

```go
type FundingBuilder struct {
	AccountId         AccountId
	SubAccountId      SubAccountId
	SubAccountNonce   Nonce
	FundingAccountIds []AccountId
	Fee               BigUint
	FeeToken          TokenId
}
```

Builder that used to build the [Funding](#type-funding) transaction.

### type Funding

[Funding](/developer/api-and-sdk/transaction/funding.md) transaction type, it's a opaque data type.

#### func NewFunding(builder FundingBuilder)

```go
func NewFunding(builder FundingBuilder) *Funding
```

Create a new [Funding](#type-funding) transaction.

#### func (\*Funding) GetBytes

```go
func (*Funding) GetBytes() []uint8
```

Get the encoded bytes to create the L3 signature. See more in [Private Key and Signature](/developer/api-and-sdk/private_key/funding.md)

#### func (\*Funding) TxHash

```go
func (*Funding) TxHash() []uint8
```

Get the transaction hash of the transaction.

#### func (\*Funding) JsonStr

```go
func (*Funding) JsonStr() string
```

Get the json string of the transaction.

#### func (\*Funding) IsValid

```go
func (*Funding) IsValid() bool
```

Check if the transaction is valid or not.

#### func (\*Funding) CreateSignedTx

```go
func (*Funding) CreateSignedTx(signer *ZkLinkSigner) (*Funding, error)
```

Create a new AutoDeleveraging transaction with L3 signature inside. **input:**

* signer: [ZkLinkSigner](/developer/sdk/changelog/signer.md#type-zklinksigner)

#### func (\*Funding) GetSignature

```go
func (*Funding) GetSignature() ZkLinkSignature
```

Get L3 signature of the transaction.

#### func (\*Funding) IsSignatureValid

```go
func (*Funding) IsSignatureValid() bool
```

Check if the inside L3 signature is valid or not.

#### func (\*Funding) ToZklinkTx

```go
func (*Funding) ToZklinkTx() ZkLinkTx
```

Change the transaction to the [ZkLinkTx](/developer/sdk/changelog/basic_types.md#zklinktx)


---

# 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/sdk/changelog/transactions/8-funding.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.