# Batch Order
Bin:
[Rust SDK example](../../../src/bin/batch_order.rs)
Dependencies/Paths:
```rust
use pacifica_rust_sdk::exchange::{
exchange_client::ExchangeClient,
Operation,
};
use pacifica_rust_sdk::models::exchange::{
payload::batch_order::{BatchOrderActionPayload, BatchOrderActionType, BatchOrderActionsFinalHeaders, BatchOrderFinalRequest},
response::batch_order::BatchOrderResponse
};
use solana_sdk::signature::Keypair;
use pacifica_rust_sdk::common::types::{DefaultResponse, OperationFinalHeaders, DefaultFinalHeaders};
```
Method:
```rust
Operation::BatchOrder.name()
```
**Endpoint:**
```rust
Operation::BatchOrder.endpoint();
```
**Sing Payload:**
```rust
enum BatchOrderActionPayload {
CreateOrder(CreateOrderPayload),
CancelOrder(CancelOrderPayload),
CreateMarketOrder(CreateMarketOrderPayload),
}
Vec<BatchOrderActionPayload>;
```
**Final Headers:**
```rust
BatchOrderActionsFinalHeaders {
type_field: BatchOrderActionType,
data: FinalRequest<BatchOrderActionPayload>,
};
BatchOrderFinalRequest {
actions: Vec<BatchOrderActionsFinalHeaders>,
}
```
**Function**:
```rust
ExchangeClient.batch_order();
async fn batch_order(
&self,
orders: Vec<BatchOrderActionPayload>,
expiry_window: Option<u32>,
) -> Result<DefaultResponse<BatchOrderResponse>, ExchangeError>
```
Response:
```rust
BatchOrderModel {
success: bool,
order_id: Option<u64>,
error: Option<String>,
}
pub struct BatchOrderResponse {
results: Vec<BatchOrderModel>,
}
```