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[FB18767141] The argument (date) passed to tool calling is incorrect.
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| I am trying tool calling with the following code. When I give the prompt “Add a meeting to the schedule for next Wednesday at 10:00 a.m.”, the CalendarTool is called, but the date argument passed is incorrect. Since I am expecting next Wednesday, the expected behavior is for it to return “Jul 15th, 2025,” but it returns “2024-10-23T10:00:00.” | |
| Also attach the actual project. | |
| ```swift | |
| import Cocoa | |
| import FoundationModels | |
| import EventKit | |
| @main | |
| class AppDelegate: NSObject, NSApplicationDelegate { | |
| func applicationDidFinishLaunching(_ aNotification: Notification) { | |
| Task { | |
| let session = LanguageModelSession( | |
| tools: [CalendarTool()], | |
| instructions: "You are a secretary. Select one action to execute from ‘create’, ‘query’, ‘read’, or ‘update’ from the prompt, and pass the processing to CalendarTool." | |
| ) | |
| let response = try await session.respond(to: Prompt("Add a meeting to the schedule for next Wednesday at 10:00 a.m.")) | |
| print(response.content) | |
| } | |
| } | |
| } | |
| public struct CalendarTool: Tool { | |
| public let name = "CalendarTool" | |
| public let description = "Create, read, and query calendar events" | |
| @Generable | |
| public struct Arguments { | |
| @Guide(description: "The action to perform: 'create', 'query', 'read', 'update'") | |
| public var action: String | |
| @Guide(description: "Event title for creating or updating") | |
| public var title: String? | |
| @Guide(description: "Start date in ISO format (YYYY-MM-DD HH:mm:ss)") | |
| public var startDate: String? | |
| @Guide(description: "End date in ISO format (YYYY-MM-DD HH:mm:ss)") | |
| public var endDate: String? | |
| @Guide(description: "Location for the event") | |
| public var location: String? | |
| @Guide(description: "Notes for the event") | |
| public var notes: String? | |
| @Guide(description: "Calendar name to use (defaults to default calendar)") | |
| public var calendarName: String? | |
| @Guide(description: "Number of days to query (for query action)") | |
| public var daysAhead: Int? | |
| @Guide(description: "Event identifier for reading or updating specific event") | |
| public var eventId: String? | |
| public init( | |
| action: String = "", | |
| title: String? = nil, | |
| startDate: String? = nil, | |
| endDate: String? = nil, | |
| location: String? = nil, | |
| notes: String? = nil, | |
| calendarName: String? = nil, | |
| daysAhead: Int? = nil, | |
| eventId: String? = nil | |
| ) { | |
| self.action = action | |
| self.title = title | |
| self.startDate = startDate | |
| self.endDate = endDate | |
| self.location = location | |
| self.notes = notes | |
| self.calendarName = calendarName | |
| self.daysAhead = daysAhead | |
| self.eventId = eventId | |
| } | |
| } | |
| public init() {} | |
| public func call(arguments: Arguments) async throws -> ToolOutput { | |
| print(arguments.startDate) | |
| print(arguments.endDate) | |
| return ToolOutput("") | |
| } | |
| } | |
| ``` |
Author
kishikawakatsumi
commented
Jul 11, 2025
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