> For the complete documentation index, see [llms.txt](https://docs.sportradar.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.sportradar.com/transaction30api/sandbox/user-manual/accumulator_prematch.md).

# accumulator\_prematch

**Goal:** Place a ticket whose top-level selection is an **accumulator** and receive an **accepted** reply.

Sandbox module name: `accumulator_prematch_accepted`.

## How to build the request (Java SDK)

{% stepper %}
{% step %}

## Set the ticket context

Use the same `TicketContext` requirements as [`single_accepted`](broken://pages/e84b9421dafc72a9793b6db53513e5046ff022e6) (`limitId`, `channel`), but set the `EndCustomer` ID to **`customer_accumulator`**.
{% endstep %}

{% step %}

## Add one bet and one top-level selection

Add exactly **one** `Bet` with exactly **one** top-level selection.
{% endstep %}

{% step %}

## Build an accumulator selection

Build the selection with `Selection.newAccumulatorSelectionBuilder()` (JSON type `"accumulator"`).
{% endstep %}

{% step %}

## Add nested UF legs

Nest **two or more** UF legs via `.setSelections(...)` (Ticket 3.0 `minItems: 2`; the example uses three).
{% endstep %}

{% step %}

## Build each UF leg

Build each leg with `Selection.newUfSelectionBuilder()` and decimal odds.

Set the **first** nested leg `eventId` to **`sr:match:15050881`**. Further legs may use other match IDs.
{% endstep %}

{% step %}

## Attach a stake and send the ticket

Attach a cash stake and send with `sendTicket`.
{% endstep %}
{% endstepper %}

## Java example

```java
import com.sportradar.mbs.sdk.entities.channel.Channel;
import com.sportradar.mbs.sdk.entities.common.AcceptanceStatus;
import com.sportradar.mbs.sdk.entities.common.Bet;
import com.sportradar.mbs.sdk.entities.common.EndCustomer;
import com.sportradar.mbs.sdk.entities.common.TicketContext;
import com.sportradar.mbs.sdk.entities.odds.Odds;
import com.sportradar.mbs.sdk.entities.request.TicketRequest;
import com.sportradar.mbs.sdk.entities.response.TicketResponse;
import com.sportradar.mbs.sdk.entities.selection.Selection;
import com.sportradar.mbs.sdk.entities.selection.UfSelection;
import com.sportradar.mbs.sdk.entities.stake.Stake;
import java.math.BigDecimal;

UfSelection leg1 = Selection.newUfSelectionBuilder()
    .setProductId("3")
    .setEventId("sr:match:15050881")
    .setMarketId("m1")
    .setOutcomeId("o1")
    .setOdds(Odds.newDecimalOddsBuilder().setValue(new BigDecimal("1.38")).build())
    .build();
UfSelection leg2 = Selection.newUfSelectionBuilder()
    .setProductId("3")
    .setEventId("sr:match:22222222")
    .setMarketId("m1")
    .setOutcomeId("o1")
    .setOdds(Odds.newDecimalOddsBuilder().setValue(new BigDecimal("1.38")).build())
    .build();
UfSelection leg3 = Selection.newUfSelectionBuilder()
    .setProductId("3")
    .setEventId("sr:match:33333333")
    .setMarketId("m1")
    .setOutcomeId("o1")
    .setOdds(Odds.newDecimalOddsBuilder().setValue(new BigDecimal("1.38")).build())
    .build();

TicketRequest request = TicketRequest.newBuilder()
    .setTicketId("tid-acca")
    .setContext(TicketContext.newBuilder()
        .setLimitId(123L)
        .setChannel(Channel.newMobileChannelBuilder()
            .setLang("en")
            .setIp("127.0.0.1")
            .setDeviceId("deviceId123")
            .build())
        .setEndCustomer(EndCustomer.newBuilder()
            .setId("customer_accumulator")
            .build())
        .build())
    .setBets(Bet.newBuilder()
        .setBetId("bet-1")
        .setSelections(Selection.newAccumulatorSelectionBuilder()
            .setSelections(leg1, leg2, leg3)
            .build())
        .setStake(Stake.newCashStakeBuilder()
            .setAmount(new BigDecimal("10"))
            .setCurrency("EUR")
            .build())
        .build())
    .build();

TicketResponse response = mbsSdk.getTicketProtocol().sendTicket(request);
// expect: response.getStatus() == AcceptanceStatus.ACCEPTED, getCode() == 0
```

## Wire JSON (what the SDK sends)

```json
{
  "operatorId": 9985,
  "correlationId": "corr-1",
  "timestampUtc": 1710000000000,
  "operation": "ticket-placement",
  "version": "3.0",
  "content": {
    "type": "ticket",
    "ticketId": "tid-acca",
    "context": {
      "limitId": 123,
      "channel": {
        "type": "mobile",
        "lang": "en",
        "ip": "127.0.0.1",
        "deviceId": "deviceId123"
      },
      "endCustomer": {
        "id": "customer_accumulator"
      }
    },
    "bets": [
      {
        "betId": "bet-1",
        "selections": [
          {
            "type": "accumulator",
            "selections": [
              {
                "type": "uf",
                "eventId": "sr:match:15050881",
                "marketId": "m1",
                "outcomeId": "o1",
                "productId": "3",
                "odds": { "type": "decimal", "value": "1.38" }
              },
              {
                "type": "uf",
                "eventId": "sr:match:22222222",
                "marketId": "m1",
                "outcomeId": "o1",
                "productId": "3",
                "odds": { "type": "decimal", "value": "1.38" }
              },
              {
                "type": "uf",
                "eventId": "sr:match:33333333",
                "marketId": "m1",
                "outcomeId": "o1",
                "productId": "3",
                "odds": { "type": "decimal", "value": "1.38" }
              }
            ]
          }
        ],
        "stake": [
          {
            "type": "cash",
            "amount": "10",
            "currency": "EUR"
          }
        ]
      }
    ]
  }
}
```

| Field name                                            | Value                                                               | Mandatory / Optional | Data type       | Ignored by sandbox                  |
| ----------------------------------------------------- | ------------------------------------------------------------------- | -------------------- | --------------- | ----------------------------------- |
| `operatorId`                                          | `9985`                                                              | Mandatory            | integer         | Yes                                 |
| `correlationId`                                       | `"corr-1"`                                                          | Mandatory            | string          | No (echoed in reply)                |
| `timestampUtc`                                        | `1710000000000`                                                     | Mandatory            | integer         | Yes                                 |
| `operation`                                           | `"ticket-placement"`                                                | Mandatory            | string          | No                                  |
| `version`                                             | `"3.0"`                                                             | Mandatory            | string          | No (echoed in reply)                |
| `content`                                             | *(object)*                                                          | Mandatory            | object          | No                                  |
| `content.type`                                        | `"ticket"`                                                          | Mandatory            | string          | No                                  |
| `content.ticketId`                                    | `"tid-acca"`                                                        | Mandatory            | string          | No (echoed in reply)                |
| `content.context`                                     | *(object)*                                                          | Mandatory            | object          | No                                  |
| `content.context.limitId`                             | `123`                                                               | Mandatory            | integer         | Yes                                 |
| `content.context.channel`                             | *(object)*                                                          | Mandatory            | object          | Yes                                 |
| `content.context.channel.type`                        | `"mobile"`                                                          | Mandatory            | string          | Yes                                 |
| `content.context.channel.lang`                        | `"en"`                                                              | Mandatory            | string          | Yes                                 |
| `content.context.channel.ip`                          | `"127.0.0.1"`                                                       | Optional             | string          | Yes                                 |
| `content.context.channel.deviceId`                    | `"deviceId123"`                                                     | Optional             | string          | Yes                                 |
| `content.context.endCustomer`                         | *(object)*                                                          | Mandatory (sandbox)  | object          | No                                  |
| `content.context.endCustomer.id`                      | `"customer_accumulator"`                                            | Mandatory (sandbox)  | string          | No (routing)                        |
| `content.bets`                                        | *(1 bet)*                                                           | Mandatory            | array of object | No                                  |
| `content.bets[].betId`                                | `"bet-1"`                                                           | Optional             | string          | No (echoed in reply)                |
| `content.bets[].selections`                           | *(1 selection)*                                                     | Mandatory            | array of object | No                                  |
| `content.bets[].selections[].type`                    | `"accumulator"`                                                     | Mandatory            | string          | No (routing)                        |
| `content.bets[].selections[].selections`              | *(3 UF legs)*                                                       | Mandatory            | array of object | No                                  |
| `content.bets[].selections[].selections[].type`       | `"uf"`                                                              | Mandatory            | string          | No (echoed in reply)                |
| `content.bets[].selections[].selections[].eventId`    | `"sr:match:15050881"`, `"sr:match:22222222"`, `"sr:match:33333333"` | Mandatory            | string          | No (first leg: routing; all echoed) |
| `content.bets[].selections[].selections[].marketId`   | `"m1"`                                                              | Mandatory            | string          | No (echoed in reply)                |
| `content.bets[].selections[].selections[].outcomeId`  | `"o1"`                                                              | Mandatory            | string          | No (echoed in reply)                |
| `content.bets[].selections[].selections[].productId`  | `"3"`                                                               | Mandatory            | string          | No (echoed in reply)                |
| `content.bets[].selections[].selections[].odds`       | *(object)*                                                          | Mandatory            | object          | No                                  |
| `content.bets[].selections[].selections[].odds.type`  | `"decimal"`                                                         | Mandatory            | string          | No (routing via first leg)          |
| `content.bets[].selections[].selections[].odds.value` | `"1.38"`                                                            | Mandatory            | string          | No (echoed in reply)                |
| `content.bets[].stake`                                | *(1 stake)*                                                         | Mandatory            | array of object | No                                  |
| `content.bets[].stake[].type`                         | `"cash"`                                                            | Mandatory            | string          | No (routing)                        |
| `content.bets[].stake[].amount`                       | `"10"`                                                              | Mandatory            | string          | Yes                                 |
| `content.bets[].stake[].currency`                     | `"EUR"`                                                             | Mandatory            | string          | Yes                                 |

{% hint style="info" %}
`endCustomer` / `endCustomer.id` are optional in the Ticket 3.0 schema but **mandatory for this sandbox scenario** (routing). Nested UF legs under `accumulator.selections` require at least two items (`minItems: 2`). **Ignored by sandbox** means the field is not used for routing and not used when building the reply (schema-only for the WebSocket / Ticket 3.0 envelope).
{% endhint %}

## Expected response

| Java getter                    | Expected value                         |
| ------------------------------ | -------------------------------------- |
| `getStatus()`                  | `AcceptanceStatus.ACCEPTED`            |
| `getCode()`                    | `0`                                    |
| `getMessage()`                 | `"accepted"` (sandbox)                 |
| `getTicketId()`                | `"tid-acca"` (echo)                    |
| Selection in `getBetDetails()` | Accumulator with nested UF legs echoed |

Wire JSON example:

```json
{
  "correlationId": "corr-1",
  "timestampUtc": 1710000001000,
  "operation": "ticket-placement",
  "version": "3.0",
  "content": {
    "type": "ticket-reply",
    "ticketId": "tid-acca",
    "status": "accepted",
    "code": 0,
    "message": "accepted",
    "signature": "sandbox-signature",
    "betDetails": [
      {
        "betId": "bet-1",
        "code": 0,
        "message": "accepted",
        "selectionDetails": [
          {
            "code": 0,
            "message": "accepted [sandbox=customer=customer_accumulator,oddsFormat=decimal,selection=accumulator]",
            "selection": {
              "type": "accumulator",
              "selections": [
                {
                  "type": "uf",
                  "eventId": "sr:match:15050881",
                  "marketId": "m1",
                  "outcomeId": "o1",
                  "productId": "3",
                  "odds": { "type": "decimal", "value": "1.38" }
                },
                {
                  "type": "uf",
                  "eventId": "sr:match:22222222",
                  "marketId": "m1",
                  "outcomeId": "o1",
                  "productId": "3",
                  "odds": { "type": "decimal", "value": "1.38" }
                },
                {
                  "type": "uf",
                  "eventId": "sr:match:33333333",
                  "marketId": "m1",
                  "outcomeId": "o1",
                  "productId": "3",
                  "odds": { "type": "decimal", "value": "1.38" }
                }
              ]
            }
          }
        ]
      }
    ]
  }
}
```

## Common mistakes

| Mistake                                                                      | Result                                                          |
| ---------------------------------------------------------------------------- | --------------------------------------------------------------- |
| `EndCustomer.setId("customer")` instead of `"customer_accumulator"`          | Will not hit this scenario                                      |
| Top-level selection still `newUfSelectionBuilder()`                          | Routes as a regular single, not accumulator                     |
| Fewer than two legs in `newAccumulatorSelectionBuilder().setSelections(...)` | Invalid Ticket 3.0 selection (schema `minItems: 2`)             |
| First nested leg not `sr:match:15050881`                                     | Route mismatch / fallback                                       |
| Multiple top-level selections on the bet                                     | Schema validation error (not the `-999` “no scenario” fallback) |

See also: [Error responses](broken://pages/3cdf760ce49fd6992d47d7772f4a4b9f67f0519f#error-responses) in the parent manual.


---

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