You are creating a Web Services type service interface that uses CICS commareas. 
               	 
            
 
            	 
             
               		
               - From the Solution Explorer, right-click the 
                  		  CICSCommareaWS project; then click 
                  		  Add > 
                  		  New Item. 
                  		
               
- Expand 
                  		  Native and click 
                  		  Mainframe Subsystem. 
                  		
               
- In the center pane, click 
                  		  Service Interface. 
                  		
               
- In the 
                  		  Name field, type 
                  		  CICSCommareaWS; then click 
                  		  Add. 
                  		
               
- Select 
                  		  Web Service as your type of interface and 
                  		  CICS Commarea as your type of source. All other fields retain their default values.
                  		
               
- Click 
                  		  OK.
                  		
               
At this point, Visual Studio adds the 
               		CICSCommareaWS service interface to the Solution Explorer and invokes the Interface Mapper. You are ready to define the details of the service
               interface.