> 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/mts/transaction-3.0-api/mts-related-transaction-examples/bet-types-examples-singles-accumulators-custom-bets.../system-bet-3-4.md).

# System Bet 3/4

This is a system 3/4 bet example. The bet consists of one selection of type "system" which has 4 nested selections. The value of an element in the Size array specifies the number of combinations that should be used in the system (size = 3 in this example).\
The ticket contains only one bet (the Bets array length = 1).

<br>

<details>

<summary><strong>Ticket Placement Request</strong></summary>

```json
{
  "operatorId": 9985,
  "content": {
    "type": "ticket",
    "ticketId": "Ticket_4908",
    "bets": [
      {
        "selections": [
          {
            "type": "system",
            "size": [
              3
            ],
            "selections": [
              {
                "type": "uf",
                "productId": "3",
                "eventId": "sr:match:16",
                "marketId": "1",
                "outcomeId": "3",
                "odds": {
                  "type": "decimal",
                  "value": "1.21"
                }
              },
              {
                "type": "uf",
                "productId": "3",
                "eventId": "sr:match:14",
                "marketId": "818",
                "outcomeId": "1849",
                "specifiers": "total=1.5",
                "odds": {
                  "type": "decimal",
                  "value": "8.46"
                }
              },
              {
                "type": "uf",
                "productId": "3",
                "eventId": "sr:match:18",
                "marketId": "552",
                "outcomeId": "1747",
                "odds": {
                  "type": "decimal",
                  "value": "1.25"
                }
              },
              {
                "type": "uf",
                "productId": "3",
                "eventId": "sr:match:15",
                "marketId": "105",
                "outcomeId": "3",
                "specifiers": "from=1|to=10",
                "odds": {
                  "type": "decimal",
                  "value": "10.62"
                }
              }
            ]
          }
        ],
        "stake": [
          {
            "type": "cash",
            "currency": "EUR",
            "amount": "80"
          }
        ]
      }
    ],
    "context": {
      "channel": {
        "type": "internet",
        "ip": "212.33.11.90",
        "lang": "EN"
      },
      "endCustomer": {
        "id": "7864545"
      },
      "limitId": 1409
    }
  },
  "correlationId": "iu3207sGV3",
  "timestampUtc": 1678964780000,
  "operation": "ticket-placement",
  "version": "3.0"
}
```

</details>

<details>

<summary><strong>Ticket Placement Response</strong></summary>

```json
{
  "content": {
    "type": "ticket-reply",
    "signature": "b/SH66QPkXl+QAF4YJfrdva0UfrkR0JgO7KF5VqBwGQ=",
    "status": "accepted",
    "ticketId": "Ticket_4908",
    "code": 0,
    "message": "Transaction processed",
    "betDetails": [
      {
        "code": 0,
        "message": "Transaction processed",
        "selectionDetails": [
          {
            "code": 0,
            "message": "Transaction processed",            
            "selection": {
              "type": "uf",
              "productId": "3",
              "eventId": "sr:match:16",
              "marketId": "1",
              "outcomeId": "3",
              "odds": {
                "type": "decimal",
                "value": "1.21"
              }
            }
          },
          {
            "code": 0,
            "message": "Transaction processed",            
            "selection": {
              "type": "uf",
              "productId": "3",
              "eventId": "sr:match:14",
              "marketId": "818",
              "outcomeId": "1849",
              "specifiers": "total=1.5",
              "odds": {
                "type": "decimal",
                "value": "8.46"
              }
            }
          },
          {
            "code": 0,
            "message": "Transaction processed",            
            "selection": {
              "type": "uf",
              "productId": "3",
              "eventId": "sr:match:18",
              "marketId": "552",
              "outcomeId": "1747",
              "odds": {
                "type": "decimal",
                "value": "1.25"
              }
            }
          },
          {
            "code": 0,
            "message": "Transaction processed",            
            "selection": {                   
              "type": "uf",
              "productId": "3",
              "eventId": "sr:match:15",
              "marketId": "105",
              "outcomeId": "3",
              "specifiers": "from=1|to=10",
              "odds": {
                "type": "decimal",
                "value": "10.62"
              }
            }
          }
        ]
      }
    ],
    "exchangeRate":   [
      {
        "fromCurrency": "EUR",
        "toCurrency": "EUR",
        "rate": "1.00000"
      }
    ]
  },
  "correlationId": "iu3207sGV3",
  "timestampUtc": 1678964781000,
  "operation": "ticket-placement",
  "version": "3.0"
}
```

</details>


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