Use a schedule filter to find all elements that have a specific global parameter association or are missing an association. 
- Open the Schedule Properties dialog, and click the Filter tab.
  
- For Filter by, in the first field, select the parameter for which you want to check its association. 
  
- In the second field, select either "is associated with" or "is not associated with."
  
- In the third field, select the global parameter name.