Communicating with 3270-based applications
If your VA Smalltalk application needs to communicate with a 3270-based host application, you can use the 3270 Screen part to do this. The 3270 Screen part enables your application to appear to the host application as a user at a 3270 terminal. 
In addition to the steps for communicating with a 3270-based application, the following information is available: 
The tasks for using the 3270 Screen part to communicate with a 3270-based host application are: 
Last modified date: 02/27/2018