getting vms in datastore_vRO

Hi All ,

Iam in process of utilizing default action items in Orchestrator.

I want to develop the workflow of getting vms in a given datastore.

i did following.

1:draged action element between start and stop schema elements.

2:set action element for getALLVMSodDatastore.

3:create input parmeter as following

4:create output parameter as folowing .

5:below is the binding of action element

However workflow failed .

Please suggest what needs to be edited.

also whats the difference when we perform same task using

a:vsphere client

b:powercli

c:orchestrator

any help is much appreciated.