To make full use of iMessage effects, however, you’ll need to check some settings. Here’s what to switch on and how to use effects in Messages.

How to Adjust iOS Settings for Message Effects

A couple of items in your Settings app will affect how message effects appear and play. Here’s where to find and configure those settings to ensure you can use the effects feature with no problems.

How to Send an iMessage with Effects

With your settings sorted out, you can now send and receive message effects. Here’s how to access them. Full-screen effects may not work if Reduce Motion is Off, so tap the toggle to On (green). The Auto-Play Message Effects setting is optional. Turn it on to play effects as soon as you open a message containing one. If you switch it off, you’ll have to tap a command before the effect will activate.

How to View Effects in Messages

After you send or receive a message with an effect attached, you can replay the animation later. To do so, tap the link below the message that says, “Replay [name of effect].” You can play an effect as many times as you want.

Slam: The text bubble will “slam” down onto the window from above, shaking the other messages.Loud: The message will come up off of the screen and shake, implying shouting.Gentle: The text of the message will start small, as if whispered, and then increase to normal size.Invisible Ink: Messages will hide your message under a layer of distortion until the recipient swipes to reveal it.

Echo: A swarm of copies of your message appears on the screen.Spotlight: The display goes dark other than a single pool of light that highlights your message.Balloons: Multicolored balloons appear behind the conversation.Confetti: Colored scraps of paper shower down from the top of the screen.Love: A large heart shape inflates out of your text and floats away.Lasers: The screen goes dark except for colored lasers that sweep from the bottom to the top of the display and back down.Fireworks: A pyrotechnic display appears behind your message.Shooting Star: A single point of light arcs over the text.Celebration: Golden sparks shower down from the upper-right corner of the screen.

Automatic Screen Effects in Messages

Some screen effects play automatically if you send certain messages. You don’t have to take the extra steps to activate them. Here are some of the keywords you can type and the effect they’ll create. The trigger phrases also work in other languages, so experiment to see what kinds of results you get.

Congratulations!: ConfettiHappy birthday!: BalloonHappy Chinese New Year!: CelebrationHappy New Year!: FireworksPew pew: Lasers