src/game/java/net/minecraft/server/commands/EmoteCommands.java

package net.minecraft.server.commands;

import com.mojang.brigadier.CommandDispatcher;
import com.mojang.brigadier.context.CommandContext;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.commands.Commands;
import net.minecraft.commands.arguments.MessageArgument;
import net.minecraft.network.chat.ChatType;
import net.minecraft.network.chat.PlayerChatMessage;
import net.minecraft.server.players.PlayerList;

public class EmoteCommands {
    public static void register(CommandDispatcher<CommandSourceStack> p_136986_) {
        p_136986_.register(Commands.literal("me").then(Commands.argument("action", MessageArgument.message()).executes(p_248130_ -> {
            MessageArgument.resolveChatMessage(p_248130_, "action", p_248129_ -> {
                CommandSourceStack commandsourcestack = p_248130_.getSource();
                PlayerList playerlist = commandsourcestack.getServer().getPlayerList();
                playerlist.broadcastChatMessage(p_248129_, commandsourcestack, ChatType.bind(ChatType.EMOTE_COMMAND, commandsourcestack));
            });
            return 1;
        })));
    }
}