## Retrieve Subscription Quantity History

`client.V1.Contracts.GetSubscriptionQuantityHistory(ctx, body) (*V1ContractGetSubscriptionQuantityHistoryResponse, error)`

**post** `/v1/contracts/getSubscriptionQuantityHistory`

Fetch the quantity and price for a subscription over time. End-point does not return future scheduled changes.

### Parameters

- **body:** `V1ContractGetSubscriptionQuantityHistoryParams`

  - **ContractID:** `param.Field[string]`

  - **CustomerID:** `param.Field[string]`

  - **SubscriptionID:** `param.Field[string]`

### Returns

- Not supported

  - **Data:** `V1ContractGetSubscriptionQuantityHistoryResponseData`

    - **FiatCreditTypeID:** `string`

    - **History:** `[]V1ContractGetSubscriptionQuantityHistoryResponseDataHistory`

      - **Data:** `[]V1ContractGetSubscriptionQuantityHistoryResponseDataHistoryData`

        - **Quantity:** `float64`

        - **Total:** `float64`

        - **UnitPrice:** `float64`

      - **StartingAt:** `Time`

    - **SubscriptionID:** `string`

### Example

```go
package main

import (
  "context"
  "fmt"

  "github.com/Metronome-Industries/metronome-go"
  "github.com/Metronome-Industries/metronome-go/option"
)

func main() {
  client := metronome.NewClient(
    option.WithBearerToken("My Bearer Token"),
  )
  response, err := client.V1.Contracts.GetSubscriptionQuantityHistory(context.TODO(), metronome.V1ContractGetSubscriptionQuantityHistoryParams{
    ContractID: metronome.F("d7abd0cd-4ae9-4db7-8676-e986a4ebd8dc"),
    CustomerID: metronome.F("13117714-3f05-48e5-a6e9-a66093f13b4d"),
    SubscriptionID: metronome.F("1a824d53-bde6-4d82-96d7-6347ff227d5c"),
  })
  if err != nil {
    panic(err.Error())
  }
  fmt.Printf("%+v\n", response.Data)
}
```