playAnimation

API -

return function()
    local app = getApp();
    local ob = app.createGameObject(); --create object to attach images to
    applyImage(ob, 'welcomeImage'); --add the image titled 'welcome' to the object
    
    ob.image.anchor('center', true); 
    --anchors the image to the center of the screen...
    wait (0.2);
    
    ob.image.stopAnimation();
    
    wait(3);
    
    ob.image.playAnimation();
    --if the image is an animated one, it will begin animating.
    --animated images play automatically when using applyImage()
end

You must first create an image for it to be applied! Check applyImage below for examples.

applyImage