OptionalcountNumber of items to spawn for floating effects (default: 8)
OptionaldurationAnimation duration in ms (default: 3500 for floating, 5000 for fullscreen)
Unique effect identifier
OptionalitemsFor 'floating' effects: emoji characters or image URLs to animate
Display label shown in the picker
OptionalrendererFor 'custom' effects: React component that renders the animation
OptionalthumbnailThumbnail shown in the picker — emoji character or image URL
Rendering strategy
Defines a single reaction effect available in the picker.
Built-in effects use
type: 'floating'(emoji/image burst) ortype: 'fullscreen'(confetti). Consumers can register custom effects withtype: 'custom'and arenderercomponent.