ChatFunctionTool - Go SDK

ChatFunctionTool type definition

The Go SDK and docs are currently in beta. Report issues on GitHub.

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

Supported Types

ChatFunctionToolFunction

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

DatetimeServerTool

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

ImageGenerationServerToolOpenRouter

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

ChatSearchModelsServerTool

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

WebFetchServerTool

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

OpenRouterWebSearchServerTool

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

ChatWebSearchShorthand

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

Union Discrimination

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

switch chatFunctionTool.Type {
	case components.ChatFunctionToolUnionTypeChatFunctionToolFunction:
		// chatFunctionTool.ChatFunctionToolFunction is populated
	case components.ChatFunctionToolUnionTypeDatetimeServerTool:
		// chatFunctionTool.DatetimeServerTool is populated
	case components.ChatFunctionToolUnionTypeImageGenerationServerToolOpenRouter:
		// chatFunctionTool.ImageGenerationServerToolOpenRouter is populated
	case components.ChatFunctionToolUnionTypeChatSearchModelsServerTool:
		// chatFunctionTool.ChatSearchModelsServerTool is populated
	case components.ChatFunctionToolUnionTypeWebFetchServerTool:
		// chatFunctionTool.WebFetchServerTool is populated
	case components.ChatFunctionToolUnionTypeOpenRouterWebSearchServerTool:
		// chatFunctionTool.OpenRouterWebSearchServerTool is populated
	case components.ChatFunctionToolUnionTypeChatWebSearchShorthand:
		// chatFunctionTool.ChatWebSearchShorthand is populated
}