Can't change Ammo added object size

I added collision object using Ammo Api, and set the shape and size using btboxshape. but when using debugger, it seems like size are set to very small number rather than size I set it to be. Even when I increase it to high number like 1k, It is still fixed as almost dot size. These are the codes that I used for setting up collision, but I don’t know what I did wrong.

        var dynamicsWorld =; 
        var ammoHalfExtents =  new Ammo.btVector3();
        ammoHalfExtents.setValue(this.pointObjectSize['xSize'], this.pointObjectSize['ySize'], this.pointObjectSize['zSize']);

        const shape = new Ammo.btBoxShape(ammoHalfExtents);
            const newTrans = new Ammo.btVector3 ();

            const transformDoIt = new Ammo.btTransform();
            const rbodyconsinfo = new Ammo.btRigidBodyConstructionInfo (0, Ammo.btDefaultMotionState(),shape);
            const rbody = new Ammo.btRigidBody (rbodyconsinfo);
            rbody.setWorldTransform (transformDoIt);
            rbody.setCollisionShape (shape);

Can you provide a small example that shows the issue please?
I’m not sure this is the right way to share the editor, let me know if there’s anything more I need to share.