Being that the webservices isnt very well documented, the CCA SDK is (\Program Files\CA\CCA Server\sdk\doc\javadoc)
Using that doc, you cna determine certain datatypes and what values can be entered into differnecet arguments. IT is nt a 1t1 relation form WSDL to SDK, but should be enough t get what you are lokign for
For your current example, CI Type you would need is probably "acm_svc".
Some other examples of CI_Type are:
- Blueprint
- acm_srvr
- StorageAdapter
- acm_virt_env_details
- ... and much more... all can be found in that dcumentation