> ## Documentation Index
> Fetch the complete documentation index at: https://dev.moonpay.com/llms.txt
> Use this file to discover all available pages before exploring further.

# SDK event properties

> Type definitions and properties for the data passed in MoonPay off-ramp widget SDK events.

## Interfaces

* [RampsChildToParentInterface](/widget/on-ramp/integration-methods/sdks/events#interface-rampschildtoparentinterface)

## Type Aliases

### CryptoCurrency

**CryptoCurrency**: `Object`

Represents a Crypto currency such as ETH

**Type declaration**

| Name              | Type               | Description                                                  |
| ----------------- | ------------------ | ------------------------------------------------------------ |
| `chainId`         | `string` \| `null` | The chain's Chain ID                                         |
| `code`            | `string`           | The code of the currency such as "eth"                       |
| `coinType`        | `string` \| `null` | The coin type as defined in SLIP-0044                        |
| `contractAddress` | `string` \| `null` | The address location of the token contract on the blockchain |
| `id`              | `string`           | The identifier of the crypto currency                        |
| `name`            | `string`           | The human readable name of the currency such as "Ethereum"   |
| `networkCode`     | `string` \| `null` | The currency's network such as "bitcoin" or "ethereum"       |

### FiatCurrency

**FiatCurrency**: `Object`

Represents a Fiat currency such as USD

**Type declaration**

| Name   | Type     | Description                                                 |
| ------ | -------- | ----------------------------------------------------------- |
| `code` | `string` | The code of the currency such as "usd"                      |
| `id`   | `string` | The identifier of the fiat currency                         |
| `name` | `string` | The human readable name of the currency such as "US Dollar" |

### OnAuthTokenProps

**OnAuthTokenProps**: `Object` This event is only fired for those integrating with our Swaps (SDK+API) product.

**Type declaration**

| Name        | Type     | Description                                                                    |
| ----------- | -------- | ------------------------------------------------------------------------------ |
| `csrfToken` | `string` | The customer's CSRF token. Only provided to authorized integrations.           |
| `token`     | `string` | The customer's authentication token. Only provided to authorized integrations. |

***

### OnInitiateDepositProps

**OnInitiateDepositProps**: `Object`

**Type declaration**

| Name                                       | Type                                                                                         | Description                                                                  |
| ------------------------------------------ | -------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------- |
| `cryptoCurrency`                           | [`CryptoCurrency`](/widget/on-ramp/integration-methods/sdks/event-properties#cryptocurrency) | The crypto currency that is being off-ramped                                 |
| `cryptoCurrencyAmount`                     | `string`                                                                                     | Crypto amount in its base unit (0.123 ETH === "0.123")                       |
| `cryptoCurrencyAmountSmallestDenomination` | `string`                                                                                     | Crypto amount in its smallest unit (1 ETH === 1x10^18)                       |
| `depositWalletAddress`                     | `string`                                                                                     | The wallet address where the crypto amount needs to be deposited             |
| `fiatCurrency`                             | [`FiatCurrency`](/widget/on-ramp/integration-methods/sdks/event-properties#fiatcurrency)     | The fiat currency that the customer will receive                             |
| `fiatCurrencyAmount`                       | `string` \| `null`                                                                           | Fiat amount in its base unit (\$1.23 === "1.23"). Only set for fixed quotes. |
| `transactionId`                            | `string`                                                                                     | The identifier of the transaction                                            |

### OnInitiateDepositReplyProps

**OnInitiateDepositReplyProps**: `Object`

**Type declaration**

| Name        | Type     | Description                                                                                    |
| ----------- | -------- | ---------------------------------------------------------------------------------------------- |
| `depositId` | `string` | The partner's identifier for a successful deposit. Can be any string, eg the transaction hash. |

### OnLoginProps

**OnLoginProps**: `Object`

**Type declaration**

| Name        | Type      | Description                                                                                 |
| ----------- | --------- | ------------------------------------------------------------------------------------------- |
| `isRefresh` | `boolean` | If true, the customer didn't actually log in but rather their authentication was refreshed. |

### OnTransactionCreatedProps

**OnTransactionCompletedProps**: `Object`

**Type declaration**

| Name                 | Type                                                                                                                                                                                                             | Description                           |
| -------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------- |
| `baseCurrency`       | [`FiatCurrency`](/widget/on-ramp/integration-methods/sdks/event-properties#fiatcurrency)                                                                                                                         | The base (fiat) currency              |
| `baseCurrencyAmount` | `number`                                                                                                                                                                                                         | The spent fiat amount                 |
| `id`                 | `string`                                                                                                                                                                                                         | The identifier of the transaction     |
| `status`             | [`TransactionStatus`](/widget/on-ramp/integration-methods/sdks/event-properties#transactionstatus) \| [`SellTransactionStatus`](/widget/on-ramp/integration-methods/sdks/event-properties#selltransactionstatus) | The current status of the transaction |

### OnTransactionCompletedProps

**OnTransactionCompletedProps**: `Object`

**Type declaration**

| Name                  | Type                                                                                               | Description                                                         |
| --------------------- | -------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------- |
| `areFeesIncluded`     | `boolean`                                                                                          | Whether the base currency amount includes fees                      |
| `baseCurrency`        | [`FiatCurrency`](/widget/on-ramp/integration-methods/sdks/event-properties#fiatcurrency)           | The base (fiat) currency                                            |
| `baseCurrencyAmount`  | `number`                                                                                           | The spent fiat amount                                               |
| `createdAt`           | `string`                                                                                           | When the transaction was created                                    |
| `extraFeeAmount`      | `number`                                                                                           | The partner's fee amount, in the fiat currency                      |
| `feeAmount`           | `number`                                                                                           | The MoonPay fee amount, in the fiat currency                        |
| `id`                  | `string`                                                                                           | The identifier of the transaction                                   |
| `networkFeeAmount`    | `number`                                                                                           | The network fees incurred in this transaction, in the fiat currency |
| `quoteCurrency`       | [`CryptoCurrency`](/widget/on-ramp/integration-methods/sdks/event-properties#cryptocurrency)       | The quote (crypto) currency                                         |
| `quoteCurrencyAmount` | `number`                                                                                           | The expected or received quote amount                               |
| `status`              | [`TransactionStatus`](/widget/on-ramp/integration-methods/sdks/event-properties#transactionstatus) | The current status of the transaction                               |
| `walletAddress`       | `string`                                                                                           | The customer's destination wallet address                           |
| `walletAddressTag`    | `string` \| `null`                                                                                 | The customer's destination wallet address tag                       |

### TransactionStatus

**TransactionStatus**: `"completed"` | `"failed"` | `"pending"` | `"waitingAuthorization"` | `"waitingPayment"`

### SellTransactionStatus

**SellTransactionStatus**: `"completed"` | `"failed"` | `"pending"` | `"waitingForDeposit"`