ChatFunctionTool Type | OpenRouter Go SDK | OpenRouter

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

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

DatetimeServerTool

1 chatFunctionTool := components.CreateChatFunctionToolDatetimeServerTool(components.DatetimeServerTool{/* 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.ChatFunctionToolUnionTypeDatetimeServerTool:
5 		// chatFunctionTool.DatetimeServerTool is populated
6 	case components.ChatFunctionToolUnionTypeOpenRouterWebSearchServerTool:
7 		// chatFunctionTool.OpenRouterWebSearchServerTool is populated
8 	case components.ChatFunctionToolUnionTypeChatWebSearchShorthand:
9 		// chatFunctionTool.ChatWebSearchShorthand is populated
10 }