> 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/system_prematch.md). # system\_prematch **Goal:** Place a **system** selection (size 2 over 3 UF legs) as **`customer_system`** and receive **accepted**. Use `Selection.newSystemSelectionBuilder().setSize(2).setSelections(leg1, leg2, leg3)`. The first nested event must be **`sr:match:15050881`**. ## How to build the request (Java SDK) {% stepper %} {% step %} ## Configure the ticket context Use the same `TicketContext` as [`single_accepted`](broken://pages/e84b9421dafc72a9793b6db53513e5046ff022e6), but set the `EndCustomer` to **`customer_system`**. {% endstep %} {% step %} ## Create one bet with one top-level system selection Nest three UF legs with decimal odds. The first leg event must be **`sr:match:15050881`**. {% endstep %} {% step %} ## Set a cash stake and send the ticket Use a cash stake, then call `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-system") .setContext(TicketContext.newBuilder() .setLimitId(123L) .setChannel(Channel.newMobileChannelBuilder() .setLang("en") .setIp("127.0.0.1") .setDeviceId("deviceId123") .build()) .setEndCustomer(EndCustomer.newBuilder().setId("customer_system").build()) .build()) .setBets(Bet.newBuilder() .setBetId("bet-1") .setSelections(Selection.newSystemSelectionBuilder() .setSize(2) .setSelections(leg1, leg2, leg3) .build()) .setStake(Stake.newCashStakeBuilder().setAmount(new BigDecimal("10")).setCurrency("EUR").build()) .build()) .build(); TicketResponse response = mbsSdk.getTicketProtocol().sendTicket(request); // ACCEPTED ``` ## 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-system", "context": { "limitId": 123, "channel": { "type": "mobile", "lang": "en", "ip": "127.0.0.1", "deviceId": "deviceId123" }, "endCustomer": { "id": "customer_system" } }, "bets": [{ "betId": "bet-1", "selections": [{ "type": "system", "size": [2], "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.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_system"` | Mandatory (sandbox) | string | No (routing) | | `content.bets[].selections[].type` | `"system"` | Mandatory | string | No (routing) | | `content.bets[].selections[].size` | `[2]` | Mandatory | array of integer | No (echoed) | | `content.bets[].selections[].selections` | *(3 UF legs)* | Mandatory | array of object | No | | `content.bets[].selections[].selections[].eventId` | first `"sr:match:15050881"` | Mandatory | string | No (first leg: routing) | | `content.bets[].stake[].type` | `"cash"` | Mandatory | string | No (routing) | {% hint style="info" %} `endCustomer` / `endCustomer.id` are optional in the Ticket 3.0 schema but **mandatory for this sandbox scenario** (routing). **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) | ```json { "correlationId": "corr-1", "timestampUtc": 1710000001000, "operation": "ticket-placement", "version": "3.0", "content": { "type": "ticket-reply", "ticketId": "tid-system", "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_system,oddsFormat=decimal,selection=system]", "selection": { "type": "system", "size": [2], "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 | | --------------------------- | --------------------------------------------------- | | Using accumulator builder | Routes to accumulator scenario (different customer) | | First leg not sandbox match | Route mismatch | | Wrong customer | Fallback | See also: [Error responses](broken://pages/3cdf760ce49fd6992d47d7772f4a4b9f67f0519f#error-responses) in the parent manual. --- # Agent Instructions This documentation is published with GitBook. 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