Hi, I try to import a point attibute in a vop sop, due to create a attribute which grows on a per frame basis. I've attached a very simple example, just a grid, add a test attribute, a vop sop. In the vop sop a import attribute, a constant node, a add node and a add attribute node. If might expect the test attribute should grow over time, due to the add node, which should add (per frame) the constant to the result from the previous frame. How ever, the import attribute node seems to return