# BlockTransactionRequest
A BlockTransactionRequest is used to fetch a Transaction included in a block that is not returned in a BlockResponse.
## Example Usage
```typescript
import { BlockTransactionRequest } from "icpmcp-rosetta-api";
let value: BlockTransactionRequest = {
networkIdentifier: {
blockchain: "bitcoin",
network: "mainnet",
subNetworkIdentifier: {
network: "shard 1",
metadata: {},
},
},
blockIdentifier: {
index: 1123941,
hash: "0x1f2cc6c5027d2f201a5453ad1119574d2aed23a392654742ac3c78783c071f85",
},
transactionIdentifier: {
hash: "0x2f23fd8cca835af21f3ac375bac601f97ead75f2e79143bdf71fe2c4be043e8f",
},
};
```
## Fields
| Field | Type | Required | Description |
| ----------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------- |
| `networkIdentifier` | [models.NetworkIdentifier](../models/networkidentifier.md) | :heavy_check_mark: | The network_identifier specifies which network a particular object is associated with. |
| `blockIdentifier` | [models.BlockIdentifier](../models/blockidentifier.md) | :heavy_check_mark: | The block_identifier uniquely identifies a block in a particular network. |
| `transactionIdentifier` | [models.TransactionIdentifier](../models/transactionidentifier.md) | :heavy_check_mark: | The transaction_identifier uniquely identifies a transaction in a particular network and block or in the mempool. |
