How to change target port stroke and target node stroke highlighted color when drag link from palette?

pinkcolor

How to change that pink color when drag link?
reference example Draggable Link

If you are talking about customizing appearances when the user is drawing a new link, you want to customize the LinkingTool. Please read GoJS Tools -- Northwoods Software

i have found thins one when drag node to node

diagram.toolManager.linkingTool.temporaryFromNode = tempfromnode;

but i need to change the custom appearance when drag link from palette to canvas upon node Draggable Link

Customize the temporary Nodes of the destination Diagram’s LinkingTool: