letform = newMessageFormData(); form.title("Higher Random Tick Warning"); form.body( "Are you sure you want to run this command:\n/gamerule randomtickspeed 1000\nThis can cause lag to the world" ); form.button1("Yes, do it!"); form.button2("No, leave it as default!"); form.show(player).then((response) => { if (response.selection == 0) { player.runCommand("/gamerule randomtickspeed 1000"); } });
Builds a simple two-button modal dialog.
Example: HigherRandomTickWarningPrompt.js