Marking nodes present in nodelist

Hi,

I'm getting a list of node IDs and storing under a variable using 'set var [hm_nodelist element ID]'. The element ID is of an RBE, I'm getting all the node IDs but now I want to mark those nodes only.. but using *createmark nodes 1 $var, it is adding only the first node in the node list. How can I mark all nodes ?

Thanks