stopAnimation

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...
    
    ob.image.stopAnimation();
    --if the image is an animated one, it will pause animating.
end

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

applyImage