Plays an animation once in [AnimationNodeBlendTree]. A resource to add to an [AnimationNodeBlendTree]. This node will execute a sub-animation and return once it finishes. Blend times for fading in and out can be customized, as well as filters. $DOCS_URL/03_usage/05_animation/04_animation_tree.md If [code]true[/code], the sub-animation will restart automatically after finishing. The delay after which the automatic restart is triggered, in seconds. If [member autorestart] is [code]true[/code], a random additional delay (in seconds) between 0 and this value will be added to [member autorestart_delay].