# \#Multiplayer-Widgets

**URL:** https://discussions.unity.com/tag/multiplayer-widgets/160259.md

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## [Unity Building Blocks for Multiplayer is the worst sample I have ever seen](https://discussions.unity.com/t/unity-building-blocks-for-multiplayer-is-the-worst-sample-i-have-ever-seen/1698371)

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**Author:** [@John\_Leorid](https://discussions.unity.com/u/John_Leorid)\
**Replies:** 1\
**Last updated:** [December 3, 2025, 2:48pm UTC](https://discussions.unity.com/t/unity-building-blocks-for-multiplayer-is-the-worst-sample-i-have-ever-seen/1698371 "2025-12-03T14:48:50Z")

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The whole code is just interfaces everywhere, where you can’t navigate from A to B withouth having a multiple choice test and no clue which one to pick. And when not looking at the code, but the scene, there is even les…

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## [How to send invite message to the player who is not in the friend list](https://discussions.unity.com/t/how-to-send-invite-message-to-the-player-who-is-not-in-the-friend-list/1695324)

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**Author:** [@kaushal\_unity3M](https://discussions.unity.com/u/kaushal_unity3M)\
**Replies:** 3\
**Last updated:** [November 17, 2025, 1:27pm UTC](https://discussions.unity.com/t/how-to-send-invite-message-to-the-player-who-is-not-in-the-friend-list/1695324 "2025-11-17T13:27:16Z")

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I am utilizing the Unity Friends service to implement social features in my game. Primarily, I have based my work on the Friends Sample provided by Unity. Currently, my game includes the following features: Sending an…

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## [Facing issue in calling NetworkHandler.StartAsync after creating the relay](https://discussions.unity.com/t/facing-issue-in-calling-networkhandler-startasync-after-creating-the-relay/1680898)

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**Author:** [@kaushal\_unity3M](https://discussions.unity.com/u/kaushal_unity3M)\
**Replies:** 4\
**Last updated:** [September 22, 2025, 6:06am UTC](https://discussions.unity.com/t/facing-issue-in-calling-networkhandler-startasync-after-creating-the-relay/1680898 "2025-09-22T06:06:26Z")

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I am using ECS & DOTS and Netcode for Entities in my project. I’m trying to create a “Hangout” flow similar to PUBG’s Cheer Park: On app start, we create a Lobby-Preformatted text-only session (no Relay, no game worlds…

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## [Spawning players when the join session (multiplayer widget + netcode for gameobjects)](https://discussions.unity.com/t/spawning-players-when-the-join-session-multiplayer-widget-netcode-for-gameobjects/1669085)

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**Author:** [@thatpancakepersonguy](https://discussions.unity.com/u/thatpancakepersonguy)\
**Replies:** 2\
**Last updated:** [July 22, 2025, 5:25pm UTC](https://discussions.unity.com/t/spawning-players-when-the-join-session-multiplayer-widget-netcode-for-gameobjects/1669085 "2025-07-22T17:25:27Z")

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Hello! I was trying to use unity’s widget session system to get players into a lobby which I managed to do successfully but I have no idea how to instantiate the player objects from there, the host instantiates using the…

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## [Lobby Error : ArgumentException: An item with the same key has already been added](https://discussions.unity.com/t/lobby-error-argumentexception-an-item-with-the-same-key-has-already-been-added/1624312)

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**Author:** [@anthonov](https://discussions.unity.com/u/anthonov)\
**Replies:** 1\
**Last updated:** [April 2, 2025, 6:40pm UTC](https://discussions.unity.com/t/lobby-error-argumentexception-an-item-with-the-same-key-has-already-been-added/1624312 "2025-04-02T18:40:27Z")

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hi. I have an error when entering a unity lobby. the context is : player A create the lobby. player B quickjoin the lobby. player A leave the lobby. player B is now lobby host. player A quickjoin the lobby. \[ERROR\] A…