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Gemini API 函式呼叫簡介

你可以使用函式定義自訂函式，並提供給 Gemini 模型通話功能。模型不會直接叫用這些函式，而是產生結構化資料輸出內容，指定函式名稱和引數。這個輸出內容可讓您編寫採用然後產生 API 輸出內容這些元素會加入後續的模型提示中，使查詢更加全面回應。函式呼叫可讓使用者與即時互動資訊和各種服務，例如資料庫、顧客關係藉此強化系統和存放區並根據情境提供相關答案

函式呼叫的運作方式

您只要加入稱為函式宣告的介面函式宣告提供了 API 函式的名稱、說明其用途其中包含的所有參數，以及這些參數的說明。通過後模型查詢中的函式宣告清單，模型會分析函式的宣告內容，用於判斷如何使用宣告的以回應要求

接著，模型會在與 OpenAPI 相容的結構定義指定如何呼叫一或多個宣告的函式與使用者的問題相關。接著，您就能使用建議的函式呼叫參數、呼叫實際的 API、取得回應，並將該回應提供給或採取進一步行動請注意，模型實際上不會宣告函式您必須改用傳回的結構定義物件參數，呼叫函式。Gemini API 也支援平行函式呼叫，模型會根據單一要求建議多個 API 函式呼叫。

支援的模型

下列模型支援函式呼叫功能：

gemini-1.0-pro
gemini-1.0-pro-001
gemini-1.5-flash-latest
gemini-1.5-pro-latest

函式宣告

在提示中實作函式呼叫時，會建立 tools 物件。其中包含一或多個 function declarations。定義函式尤其是在內含特定資料選取子集的 OpenAPI 結構定義格式。單一函式宣告可包含下列參數：

name (字串)：API 中函式的專屬 ID 呼叫。
description (字串)：函式的用途和功能
parameters (物件)：定義函式所需的輸入資料。
- type (字串)：指定整體資料類型，例如 object。
- properties (物件)：列出個別參數，每個參數都包含：
  - type (字串)：參數的資料類型，例如 string，integer，boolean。
  - description (字串)：清楚說明參數用途和預期格式
- required (陣列)：列出參數名稱的字串陣列運作所需的這些區域

如需使用 cURL 指令宣告的函式程式碼範例，請參閱函式呼叫範例：範例說明以及如何為其他平台建立函式宣告的相關資訊，請參閱函式呼叫平台指南。

函式宣告的最佳做法

將函式整合到要求。每個函式都仰賴特定參數來決定其行為以及與模型的互動情形下列資訊提供定義 functions_declarations 中個別函式的參數陣列。

name：使用清楚易懂的名稱，且不得使用空格、句號 (.) 或破折號 (-) 字元。請改用底線 (_) 字元或駝峰式大小寫
description：提供詳細、清楚且具體的函式並提供範例舉例來說 find theaters，使用 find theaters based on location and optionally movie title that is currently playing in theaters.，避免太廣泛或模稜兩可說明
properties >type：使用強輸入參數以減少模型的幻覺舉例來說，如果參數值來自有限數量已設定，請使用 enum 欄位，而不要在說明中列出值 (例如："type": "enum", "values": ["now_playing", "upcoming"])。如果參數值一律為整數，請將類型設為 integer 而非 number。
properties >description：提供具體範例和限制。例如，請使用 The city and state, e.g. San Francisco, CA or a zip code e.g. 95616，而非 the location to search。

如需有關使用函式呼叫的更多最佳做法，請參閱最佳做法一節。

函式呼叫模式

您可以使用函式呼叫 mode 參數修改執行作業功能的運作方式共有三種模式：

AUTO：預設模型行為。模型決定函式呼叫或自然語言回應
ANY：模型受到侷限，只能預測函式呼叫。如果 allowed_function_names 未提供，模型會從所有可用的函式宣告如果「提供」allowed_function_names，模型會從允許的函式集中挑選。
NONE：模型不會預測函式呼叫。在本例中如果您未傳遞任何函式宣告，行為就會相同。

ANY 模式 (「強制函式呼叫」) 的用量：僅支援 Gemini 1.5 Pro 模型。

您也可以傳遞一組 allowed_function_names，如果有提供，就會限制模型將會呼叫的函式您可以只將如果模式為 ANY，則為 allowed_function_names。函式名稱應相符函式宣告名稱。模式設為 ANY 且已設定 allowed_function_names，模型將根據提供的函式名稱組合。

下列程式碼片段是從範例要求說明如何將 mode 設為 ANY，並指定允許的函式清單：

"tool_config": {
  "function_calling_config": {
    "mode": "ANY",
    "allowed_function_names": ["find_theaters", "get_showtimes"]
  },
}

函式呼叫範例

本節提供使用 cURL 指令呼叫函式的提示範例。相關例子包括單輪和多輪迴轉情形，且不同的函式呼叫模式

搭配這項功能使用 cURL 指令時，函式和參數資訊包含在 tools 元素中。文件中每個函式宣告 tools 元素包含函式名稱，而您使用以下參數指定參數：與 OpenAPI 相容的結構定義以及函式說明

單輪範例

「單輪」是指一次呼叫語言模型一次。運用函式呼叫若是以自然語言提供模型，則適合處理這類單輪用途和函式清單在這種情況下，模型會使用宣告，其中包含函式名稱、參數和說明預測要呼叫的函式和呼叫該函式的引數

以下 curl 範例為將說明傳入函式，傳回電影播放位置相關資訊。數個請求中包含函式宣告，例如 find_movies 和 find_theaters。

單輪函式呼叫範例要求

curl https://generativelanguage.googleapis.com/v1beta/models/gemini-pro:generateContent?key=$API_KEY \
  -H 'Content-Type: application/json' \
  -d '{
    "contents": {
      "role": "user",
      "parts": {
        "text": "Which theaters in Mountain View show Barbie movie?"
    }
  },
  "tools": [
    {
      "function_declarations": [
        {
          "name": "find_movies",
          "description": "find movie titles currently playing in theaters based on any description, genre, title words, etc.",
          "parameters": {
            "type": "object",
            "properties": {
              "location": {
                "type": "string",
                "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
              },
              "description": {
                "type": "string",
                "description": "Any kind of description including category or genre, title words, attributes, etc."
              }
            },
            "required": [
              "description"
            ]
          }
        },
        {
          "name": "find_theaters",
          "description": "find theaters based on location and optionally movie title which is currently playing in theaters",
          "parameters": {
            "type": "object",
            "properties": {
              "location": {
                "type": "string",
                "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
              },
              "movie": {
                "type": "string",
                "description": "Any movie title"
              }
            },
            "required": [
              "location"
            ]
          }
        },
        {
          "name": "get_showtimes",
          "description": "Find the start times for movies playing in a specific theater",
          "parameters": {
            "type": "object",
            "properties": {
              "location": {
                "type": "string",
                "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
              },
              "movie": {
                "type": "string",
                "description": "Any movie title"
              },
              "theater": {
                "type": "string",
                "description": "Name of the theater"
              },
              "date": {
                "type": "string",
                "description": "Date for requested showtime"
              }
            },
            "required": [
              "location",
              "movie",
              "theater",
              "date"
            ]
          }
        }
      ]
    }
  ]
}'

這個 curl 範例的回應可能與以下內容類似。

呼叫 curl 回應的單輪函式範例

[{
  "candidates": [
    {
      "content": {
        "parts": [
          {
            "functionCall": {
              "name": "find_theaters",
              "args": {
                "movie": "Barbie",
                "location": "Mountain View, CA"
              }
            }
          }
        ]
      },
      "finishReason": "STOP",
      "safetyRatings": [
        {
          "category": "HARM_CATEGORY_HARASSMENT",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_HATE_SPEECH",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_SEXUALLY_EXPLICIT",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_DANGEROUS_CONTENT",
          "probability": "NEGLIGIBLE"
        }
      ]
    }
  ],
  "usageMetadata": {
    "promptTokenCount": 9,
    "totalTokenCount": 9
  }
}]

使用「任一」模式的單輪範例

以下的 curl 範例與將模式轉換為 ANY：

"tool_config": {
  "function_calling_config": {
    "mode": "ANY"
  },
}

使用「任一」模式的單輪函式呼叫 (要求)

curl https://generativelanguage.googleapis.com/v1beta/models/gemini-pro:generateContent?key=$API_KEY \
  -H 'Content-Type: application/json' \
  -d '{
    "contents": {
      "role": "user",
      "parts": {
        "text": "What movies are showing in North Seattle tonight?"
    }
  },
  "tools": [
    {
      "function_declarations": [
        {
          "name": "find_movies",
          "description": "find movie titles currently playing in theaters based on any description, genre, title words, etc.",
          "parameters": {
            "type": "object",
            "properties": {
              "location": {
                "type": "string",
                "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
              },
              "description": {
                "type": "string",
                "description": "Any kind of description including category or genre, title words, attributes, etc."
              }
            },
            "required": [
              "description"
            ]
          }
        },
        {
          "name": "find_theaters",
          "description": "find theaters based on location and optionally movie title which is currently playing in theaters",
          "parameters": {
            "type": "object",
            "properties": {
              "location": {
                "type": "string",
                "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
              },
              "movie": {
                "type": "string",
                "description": "Any movie title"
              }
            },
            "required": [
              "location"
            ]
          }
        },
        {
          "name": "get_showtimes",
          "description": "Find the start times for movies playing in a specific theater",
          "parameters": {
            "type": "object",
            "properties": {
              "location": {
                "type": "string",
                "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
              },
              "movie": {
                "type": "string",
                "description": "Any movie title"
              },
              "theater": {
                "type": "string",
                "description": "Name of the theater"
              },
              "date": {
                "type": "string",
                "description": "Date for requested showtime"
              }
            },
            "required": [
              "location",
              "movie",
              "theater",
              "date"
            ]
          }
        }
      ]
    }
  ],
  "tool_config": {
    "function_calling_config": {
      "mode": "ANY"
    },
  }
}'

回應可能會與以下類似：

使用任一模式 (回應) 進行單輪函式呼叫

{
  "candidates": [
    {
      "content": {
        "parts": [
          {
            "functionCall": {
              "name": "find_movies",
              "args": {
                "description": "",
                "location": "North Seattle, WA"
              }
            }
          }
        ],
        "role": "model"
      },
      "finishReason": "STOP",
      "index": 0,
      "safetyRatings": [
        {
          "category": "HARM_CATEGORY_DANGEROUS_CONTENT",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_HARASSMENT",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_HATE_SPEECH",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_SEXUALLY_EXPLICIT",
          "probability": "NEGLIGIBLE"
        }
      ]
    }
  ],
  "promptFeedback": {
    "safetyRatings": [
      {
        "category": "HARM_CATEGORY_SEXUALLY_EXPLICIT",
        "probability": "NEGLIGIBLE"
      },
      {
        "category": "HARM_CATEGORY_HATE_SPEECH",
        "probability": "NEGLIGIBLE"
      },
      {
        "category": "HARM_CATEGORY_HARASSMENT",
        "probability": "NEGLIGIBLE"
      },
      {
        "category": "HARM_CATEGORY_DANGEROUS_CONTENT",
        "probability": "NEGLIGIBLE"
      }
    ]
  }
}

採用任一模式和允許函式的單輪範例

以下的 curl 範例與設為 ANY 的模式，並加入允許清單函式：

"tool_config": {
  "function_calling_config": {
    "mode": "ANY",
    "allowed_function_names": ["find_theaters", "get_showtimes"]
  },
}

使用任一模式和允許的函式 (要求) 進行單輪函式呼叫

curl https://generativelanguage.googleapis.com/v1beta/models/gemini-pro:generateContent?key=$API_KEY \
  -H 'Content-Type: application/json' \
  -d '{
    "contents": {
      "role": "user",
      "parts": {
        "text": "What movies are showing in North Seattle tonight?"
    }
  },
  "tools": [
    {
      "function_declarations": [
        {
          "name": "find_movies",
          "description": "find movie titles currently playing in theaters based on any description, genre, title words, etc.",
          "parameters": {
            "type": "object",
            "properties": {
              "location": {
                "type": "string",
                "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
              },
              "description": {
                "type": "string",
                "description": "Any kind of description including category or genre, title words, attributes, etc."
              }
            },
            "required": [
              "description"
            ]
          }
        },
        {
          "name": "find_theaters",
          "description": "find theaters based on location and optionally movie title which is currently playing in theaters",
          "parameters": {
            "type": "object",
            "properties": {
              "location": {
                "type": "string",
                "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
              },
              "movie": {
                "type": "string",
                "description": "Any movie title"
              }
            },
            "required": [
              "location"
            ]
          }
        },
        {
          "name": "get_showtimes",
          "description": "Find the start times for movies playing in a specific theater",
          "parameters": {
            "type": "object",
            "properties": {
              "location": {
                "type": "string",
                "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
              },
              "movie": {
                "type": "string",
                "description": "Any movie title"
              },
              "theater": {
                "type": "string",
                "description": "Name of the theater"
              },
              "date": {
                "type": "string",
                "description": "Date for requested showtime"
              }
            },
            "required": [
              "location",
              "movie",
              "theater",
              "date"
            ]
          }
        }
      ]
    }
  ],
  "tool_config": {
    "function_calling_config": {
      "mode": "ANY",
      "allowed_function_names": ["find_theaters", "get_showtimes"]
    },
  }
}'

模型不在清單中，因此無法預測 find_movies 函式因此會改為預測不同的函式回應可能會類似下列內容：

使用任一模式和允許的函式 (回應) 進行單輪函式呼叫

{
  "candidates": [
    {
      "content": {
        "parts": [
          {
            "functionCall": {
              "name": "find_theaters",
              "args": {
                "location": "North Seattle, WA",
                "movie": null
              }
            }
          }
        ],
        "role": "model"
      },
      "finishReason": "STOP",
      "index": 0,
      "safetyRatings": [
        {
          "category": "HARM_CATEGORY_SEXUALLY_EXPLICIT",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_HARASSMENT",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_HATE_SPEECH",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_DANGEROUS_CONTENT",
          "probability": "NEGLIGIBLE"
        }
      ]
    }
  ],
  "promptFeedback": {
    "safetyRatings": [
      {
        "category": "HARM_CATEGORY_SEXUALLY_EXPLICIT",
        "probability": "NEGLIGIBLE"
      },
      {
        "category": "HARM_CATEGORY_HATE_SPEECH",
        "probability": "NEGLIGIBLE"
      },
      {
        "category": "HARM_CATEGORY_HARASSMENT",
        "probability": "NEGLIGIBLE"
      },
      {
        "category": "HARM_CATEGORY_DANGEROUS_CONTENT",
        "probability": "NEGLIGIBLE"
      }
    ]
  }
}

多輪範例

如要實作多輪函式呼叫情境，請按照下列步驟操作：

呼叫語言模型以取得函式呼叫回應。這是第一個旋轉。
使用第一輪的函式呼叫回應來呼叫語言模型以及呼叫該函式得到的函式回應這是第二次。

第二輪的回覆就會總結結果或是包含第二個函式呼叫，以便取得請提供更多資訊

本主題包含兩個多輪 curl 範例：

使用上一輪函式回應的網頁網址範例
多次呼叫語言模型的網址範例

使用上一回合的回應

下列 curl 範例會呼叫也就是取得回應方法和參數單輪範例傳回的 JSON 程式碼

"functionCall": {
  "name": "find_theaters",
  "args": {
    "movie": "Barbie",
    "location": "Mountain View, CA"
  }
}

呼叫 curl 的多輪函式範例要求

curl https://generativelanguage.googleapis.com/v1beta/models/gemini-pro:generateContent?key=$API_KEY \
  -H 'Content-Type: application/json' \
  -d '{
    "contents": [{
      "role": "user",
      "parts": [{
        "text": "Which theaters in Mountain View show Barbie movie?"
    }]
  }, {
    "role": "model",
    "parts": [{
      "functionCall": {
        "name": "find_theaters",
        "args": {
          "location": "Mountain View, CA",
          "movie": "Barbie"
        }
      }
    }]
  }, {
    "role": "function",
    "parts": [{
      "functionResponse": {
        "name": "find_theaters",
        "response": {
          "name": "find_theaters",
          "content": {
            "movie": "Barbie",
            "theaters": [{
              "name": "AMC Mountain View 16",
              "address": "2000 W El Camino Real, Mountain View, CA 94040"
            }, {
              "name": "Regal Edwards 14",
              "address": "245 Castro St, Mountain View, CA 94040"
            }]
          }
        }
      }
    }]
  }],
  "tools": [{
    "functionDeclarations": [{
      "name": "find_movies",
      "description": "find movie titles currently playing in theaters based on any description, genre, title words, etc.",
      "parameters": {
        "type": "OBJECT",
        "properties": {
          "location": {
            "type": "STRING",
            "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
          },
          "description": {
            "type": "STRING",
            "description": "Any kind of description including category or genre, title words, attributes, etc."
          }
        },
        "required": ["description"]
      }
    }, {
      "name": "find_theaters",
      "description": "find theaters based on location and optionally movie title which is currently playing in theaters",
      "parameters": {
        "type": "OBJECT",
        "properties": {
          "location": {
            "type": "STRING",
            "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
          },
          "movie": {
            "type": "STRING",
            "description": "Any movie title"
          }
        },
        "required": ["location"]
      }
    }, {
      "name": "get_showtimes",
      "description": "Find the start times for movies playing in a specific theater",
      "parameters": {
        "type": "OBJECT",
        "properties": {
          "location": {
            "type": "STRING",
            "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
          },
          "movie": {
            "type": "STRING",
            "description": "Any movie title"
          },
          "theater": {
            "type": "STRING",
            "description": "Name of the theater"
          },
          "date": {
            "type": "STRING",
            "description": "Date for requested showtime"
          }
        },
        "required": ["location", "movie", "theater", "date"]
      }
    }]
  }]
}'

這個 curl 範例的回應包含呼叫 find_theaters 方法。回應可能會與以下類似：

呼叫 curl 回應的多輪函式範例回應

{
  "candidates": [
    {
      "content": {
        "parts": [
          {
            "text": " OK. Barbie is showing in two theaters in Mountain View, CA: AMC Mountain View 16 and Regal Edwards 14."
          }
        ]
      }
    }
  ],
  "usageMetadata": {
    "promptTokenCount": 9,
    "candidatesTokenCount": 27,
    "totalTokenCount": 36
  }
}

多次呼叫模型

以下 cURL 範例多次呼叫生成式 AI 模型函式模型每次呼叫函式時，使用的函式來回答要求中的其他使用者查詢。

呼叫 curl 的多輪函式範例要求

curl https://generativelanguage.googleapis.com/v1beta/models/gemini-pro:generateContent?key=$API_KEY \
  -H 'Content-Type: application/json' \
  -d '{
    "contents": [{
      "role": "user",
      "parts": [{
        "text": "Which theaters in Mountain View show Barbie movie?"
    }]
  }, {
    "role": "model",
    "parts": [{
      "functionCall": {
        "name": "find_theaters",
        "args": {
          "location": "Mountain View, CA",
          "movie": "Barbie"
        }
      }
    }]
  }, {
    "role": "function",
    "parts": [{
      "functionResponse": {
        "name": "find_theaters",
        "response": {
          "name": "find_theaters",
          "content": {
            "movie": "Barbie",
            "theaters": [{
              "name": "AMC Mountain View 16",
              "address": "2000 W El Camino Real, Mountain View, CA 94040"
            }, {
              "name": "Regal Edwards 14",
              "address": "245 Castro St, Mountain View, CA 94040"
            }]
          }
        }
      }
    }]
  },
  {
    "role": "model",
    "parts": [{
      "text": " OK. Barbie is showing in two theaters in Mountain View, CA: AMC Mountain View 16 and Regal Edwards 14."
    }]
  },{
    "role": "user",
    "parts": [{
      "text": "Can we recommend some comedy movies on show in Mountain View?"
    }]
  }],
  "tools": [{
    "functionDeclarations": [{
      "name": "find_movies",
      "description": "find movie titles currently playing in theaters based on any description, genre, title words, etc.",
      "parameters": {
        "type": "OBJECT",
        "properties": {
          "location": {
            "type": "STRING",
            "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
          },
          "description": {
            "type": "STRING",
            "description": "Any kind of description including category or genre, title words, attributes, etc."
          }
        },
        "required": ["description"]
      }
    }, {
      "name": "find_theaters",
      "description": "find theaters based on location and optionally movie title which is currently playing in theaters",
      "parameters": {
        "type": "OBJECT",
        "properties": {
          "location": {
            "type": "STRING",
            "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
          },
          "movie": {
            "type": "STRING",
            "description": "Any movie title"
          }
        },
        "required": ["location"]
      }
    }, {
      "name": "get_showtimes",
      "description": "Find the start times for movies playing in a specific theater",
      "parameters": {
        "type": "OBJECT",
        "properties": {
          "location": {
            "type": "STRING",
            "description": "The city and state, e.g. San Francisco, CA or a zip code e.g. 95616"
          },
          "movie": {
            "type": "STRING",
            "description": "Any movie title"
          },
          "theater": {
            "type": "STRING",
            "description": "Name of the theater"
          },
          "date": {
            "type": "STRING",
            "description": "Date for requested showtime"
          }
        },
        "required": ["location", "movie", "theater", "date"]
      }
    }]
  }]
}'

呼叫 curl 回應的多輪函式範例回應

[{
  "candidates": [
    {
      "content": {
        "parts": [
          {
            "functionCall": {
              "name": "find_movies",
              "args": {
                "description": "comedy",
                "location": "Mountain View, CA"
              }
            }
          }
        ]
      },
      "finishReason": "STOP",
      "safetyRatings": [
        {
          "category": "HARM_CATEGORY_HARASSMENT",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_HATE_SPEECH",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_SEXUALLY_EXPLICIT",
          "probability": "NEGLIGIBLE"
        },
        {
          "category": "HARM_CATEGORY_DANGEROUS_CONTENT",
          "probability": "NEGLIGIBLE"
        }
      ]
    }
  ],
  "usageMetadata": {
    "promptTokenCount": 48,
    "totalTokenCount": 48
  }
}
]

最佳做法

只要採用這些最佳做法，您就能提升函式呼叫的可靠性。

使用者提示

為獲得最佳結果，請在使用者查詢開頭加上下列詳細資料：

模型的其他背景資訊。例如：You are a movie API assistant to help users find movies and showtimes based on their preferences.
詳細說明如何使用函式，以及使用的時機和時機。例如： Don't make assumptions on showtimes. Always use a future date for showtimes.
如果使用者查詢內容不明確，應提供操作說明來協助釐清問題。適用對象例如：Ask clarifying questions if not enough information is available to complete the request.

取樣參數

針對隨機性參數，請使用 0 或其他低值。這會指示以產生更有信心的結果，並減少幻覺

API 叫用

如果模型提議叫用會傳送訂單的函式，更新資料庫，或產生重大結果函式呼叫再執行。