Automatic filling specifications using Key Schedule

Hi! If it possible - how can i fill schedule using Key Schedule by Dynamo? I take parameter from element by node “Element.GetParameterValueByName”. Then, i need to place this parameter to schedule in field of Key Schedule. I don’t understand - how can i do it? There was a similar problem, but i can’t find this nodes.

archi-lab has a node, but it is strings-only

I saw this node. How it work?