ChatFunctionTool Type | OpenRouter Go SDK | OpenRouter

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Tool definition for function calling (regular function or OpenRouter built-in server tool)

Supported Types

ChatFunctionToolFunction

1 chatFunctionTool := components.CreateChatFunctionToolChatFunctionToolFunction(components.ChatFunctionToolFunction{/* values here */})

AdvisorServerToolOpenRouter

1 chatFunctionTool := components.CreateChatFunctionToolAdvisorServerToolOpenRouter(components.AdvisorServerToolOpenRouter{/* values here */})

BashServerTool

1 chatFunctionTool := components.CreateChatFunctionToolBashServerTool(components.BashServerTool{/* values here */})

DatetimeServerTool

1 chatFunctionTool := components.CreateChatFunctionToolDatetimeServerTool(components.DatetimeServerTool{/* values here */})

ImageGenerationServerToolOpenRouter

1 chatFunctionTool := components.CreateChatFunctionToolImageGenerationServerToolOpenRouter(components.ImageGenerationServerToolOpenRouter{/* values here */})

ChatSearchModelsServerTool

1 chatFunctionTool := components.CreateChatFunctionToolChatSearchModelsServerTool(components.ChatSearchModelsServerTool{/* values here */})

SubagentServerToolOpenRouter

1 chatFunctionTool := components.CreateChatFunctionToolSubagentServerToolOpenRouter(components.SubagentServerToolOpenRouter{/* values here */})

WebFetchServerTool

1 chatFunctionTool := components.CreateChatFunctionToolWebFetchServerTool(components.WebFetchServerTool{/* values here */})

OpenRouterWebSearchServerTool

1 chatFunctionTool := components.CreateChatFunctionToolOpenRouterWebSearchServerTool(components.OpenRouterWebSearchServerTool{/* values here */})

ChatWebSearchShorthand

1 chatFunctionTool := components.CreateChatFunctionToolChatWebSearchShorthand(components.ChatWebSearchShorthand{/* values here */})

Union Discrimination

Use the Type field to determine which variant is active, then access the corresponding field:

1 switch chatFunctionTool.Type {
2 	case components.ChatFunctionToolUnionTypeChatFunctionToolFunction:
3 		// chatFunctionTool.ChatFunctionToolFunction is populated
4 	case components.ChatFunctionToolUnionTypeAdvisorServerToolOpenRouter:
5 		// chatFunctionTool.AdvisorServerToolOpenRouter is populated
6 	case components.ChatFunctionToolUnionTypeBashServerTool:
7 		// chatFunctionTool.BashServerTool is populated
8 	case components.ChatFunctionToolUnionTypeDatetimeServerTool:
9 		// chatFunctionTool.DatetimeServerTool is populated
10 	case components.ChatFunctionToolUnionTypeImageGenerationServerToolOpenRouter:
11 		// chatFunctionTool.ImageGenerationServerToolOpenRouter is populated
12 	case components.ChatFunctionToolUnionTypeChatSearchModelsServerTool:
13 		// chatFunctionTool.ChatSearchModelsServerTool is populated
14 	case components.ChatFunctionToolUnionTypeSubagentServerToolOpenRouter:
15 		// chatFunctionTool.SubagentServerToolOpenRouter is populated
16 	case components.ChatFunctionToolUnionTypeWebFetchServerTool:
17 		// chatFunctionTool.WebFetchServerTool is populated
18 	case components.ChatFunctionToolUnionTypeOpenRouterWebSearchServerTool:
19 		// chatFunctionTool.OpenRouterWebSearchServerTool is populated
20 	case components.ChatFunctionToolUnionTypeChatWebSearchShorthand:
21 		// chatFunctionTool.ChatWebSearchShorthand is populated
22 }