igpapi — Instagram private API Simulator for Node.js (API reference) 4.14.0
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    Variable DirectThreadNicknameChangeScreenConst

    DirectThreadNicknameChangeScreen: ScreenDefinition<
        "DirectThreadNicknameChange",
        "screen",
        { thread_v2_id: string; user_id: string },
        { thread_v2_id: string; user_id: string },
        { thread_v2_id: string; user_id: string },
        never,
        MobileNavigation,
        {
            changeNickname: (
                self: ScreenHandle,
                state: { thread_v2_id: string; user_id: string },
            ) => (
                ...args: [nickname: string],
            ) => Effect<
                ActionValue<false>
                | ActionValue<true>,

                    | IgApiError
                    | RequestError
                    | ParseError
                    | TransportError
                    | SchemaError
                    | GraphqlRootFieldMissingError
                    | ScreenEnterConcurrentError,
                GraphqlJsonHttp
                | MobileApplication
                | MobileNavigation
                | ScreenStack,
            >;
        },
        Record<never, never>,
        never,
        "user_id",
    > = ...

    ThreadDetailsNicknameChangeFragment, one participant's nickname editor. Opening it sends nothing; Done sends IGDirectChangeNicknameQuery (451, the nicknames journey). The thread's edge maps the participant it shows to the user id the editor is opened with, so the mutation's user_igid comes from the editor's state, never from a literal.

    Unverified: the app reaches this editor through the thread details, the shared media and the nicknames list (451 chain direct_thread:5 → details 7 → shared media 8 → nicknames 9 → editor 12); the model opens it from the thread directly, an edge the app does not have.

    Guide: A participant's nickname editor