-- Triggered when player clicks a block local function clickblock(event) local playerid = event.eventobjid -- Clicking player's ID local uiid = "6986982063319417057" -- Replace with your UI ID local elementid = "6986982063319417057_1" -- Replace with text element ID local size = 50 -- New font size -- Adjust the text element's font size Customui:setFontSize(playerid, uiid, elementid, size) end ScriptSupportEvent:registerEvent([=[Player.ClickBlock]=], clickblock)