> ## Documentation Index
> Fetch the complete documentation index at: https://litprotocol-feat-rusk-sdk.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# signTransactionWithEncryptedKey

# Function

> **signTransactionWithEncryptedKey**(`params`)

Signs an EVM or Solana transaction with a stored wrapped key. Optionally broadcasts when the Lit Action supports it.

## Parameters

<ParamField path="params.pkpSessionSigs" type="SessionSigsMap" required />

<ParamField path="params.litClient" type="LitClient" required />

<ParamField path="params.network" type="'evm' | 'solana'" required />

<ParamField path="params.id" type="string" required />

<ParamField path="params.unsignedTransaction" type="object" required>
  Serialized transaction payload. For Solana include `chain`/`serializedTransaction`; for EVM include `chain`, `chainId`, and `toAddress`/`value`.
</ParamField>

<ParamField path="params.broadcast" type="boolean" defaultValue={false}>
  When `true`, the Lit Action attempts to submit the signed transaction to the configured RPC endpoint and returns the transaction hash.
</ParamField>

<ParamField path="params.versionedTransaction" type="boolean">
  Set to `true` when providing a Solana versioned transaction payload.
</ParamField>

<ParamField path="params.userMaxPrice" type="bigint">
  Optional price ceiling for the Lit Action.
</ParamField>

## Returns

<ResponseField name="result" type="string">
  Signed transaction (or hash when broadcasting is enabled).
</ResponseField>

## Example

```ts theme={null}
const signedTx = await wrappedKeysApi.signTransactionWithEncryptedKey({
  pkpSessionSigs,
  litClient,
  network: 'evm',
  id,
  unsignedTransaction: {
    chain: 'yellowstone',
    chainId: 1337,
    toAddress: ZERO_ADDRESS,
    value: '0',
  },
  broadcast: false,
});
```