Script API - v1.21.0
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    Class ChatSendAfterEventSignalBeta

    Manages callbacks that are connected to chat messages being sent.

    import { world, ChatSendAfterEvent } from "@minecraft/server";

    // Subscribe to the blockExplode event
    world.afterEvents.chatSend.subscribe((event: ChatSendAfterEvent) => {
        const { sender, message } = event;
        console.log(`${sender.name}: ${message}`);
    });
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    • Beta

      Parameters

      Returns (arg: ChatSendAfterEvent) => void

      Adds a callback that will be called when new chat messages are sent.

      This function can't be called in read-only mode.

      const chatCallback = World.beforeEvents.chatSend.subscribe((eventData) => {
        if (eventData.message.includes("cancel")) {
          // Cancel event if the message contains "cancel"
          eventData.canceled = true;
        } else {
          // Modify chat message being sent
          eventData.message = `Modified '${eventData.message}'`;
        }
      });
    • Beta

      Parameters

      Returns void

      Removes a callback from being called when new chat messages are sent.

      This function can't be called in read-only mode.

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