Function read

Returns {
    beltIndexInChain: number;
    beltRef: ObjectReference;
    chainActorRef: ObjectReference;
    endsAtLength: number;
    firstItemIndex: number;
    lastItemIndex: number;
    offsetAtStart: number;
    splinePoints: { arriveTangent: vec3; leaveTangent: vec3; location: vec3 }[];
    startsAtLength: number;
}