Delay between shimmers: The time to wait between shimmers. Just like a stagger.
Duration
GSAP easing: you can choose from a wide variety of easings. Learn more about GSAP easings here.
Here you can style the Text color, Shimmer color and Shimmer size, at Shimmer group.
There are other 5 groups available to style Text Shimmer: Margin, Padding, Background, Borders and Typography. If you need to apply additional styles, you can do so at the Settings Tab.