TextChatService Chat Tags Example

local textChatService = game:GetService("TextChatService")

textChatService.OnIncomingMessage = function(message: TextChatMessage)

    local properties = Instance.new("TextChatMessageProperties")

    if message.TextSource then

        local player = game:GetService("Players"):GetPlayerByUserId(message.TextSource.UserId)

        if player.Name == "HashtagBlu_YT" then

            properties.PrefixText = "<font color='#00ffee'>[Developer]</font> " .. "<font color='#ff8400'>[W Rizz]</font> " .. message.PrefixText

        end

    end

    return properties

end