Your exported object should have an animation with it.
Add a timeline.
Add an animation Action to the timeline.
Select the correct object. Select the correct animation in the config panel.
Select the correct object, Add Behavior Component, Add OnAddedToScene behavior, select the timeline with the animation action on it.
When the object is loaded into the scene it will trigger the timeline to play. The animation action will play the animation.
Topic:
Spatial Computing
SubTopic:
Reality Composer Pro
Tags: