I am looking for an advise on how to override the connection port when using the Remote Connection Emulator option within Visual Studio.
Currently I see that there is an option to configure the RCE_PORT in the RSEAPI configuration file. However is it possible to achive the port override through VSCode settings.

From what I can tell there isn't a VS Code side setting for this. Per the Z Open Editor docs, the RCE client gets its 3270 details from the RSE API server, and RCE_PORT, RCE_LUNAME, RCE_ENABLE and RCE_SECURITY are all host side settings in the RSE API config (rseapi.env). Your RSE API profile in Zowe Explorer only controls how VS Code reaches RSE API itself. So the practical path is having your RSE API admin set RCE_PORT to the right TN3270 port and recycle RSE API. If you really need a per user override, I'd open an enhancement at github.com/IBM/zopeneditor-about so the Z Open Editor team sees it. Happy to be corrected if someone from the IDz team knows a setting I missed.

Hi Vijayanand,  currently the only way to change the port is via the RCE_PORT config variable.  The intention here is that the system administrator would configure the TN3270 with a particular port number.  The RCE_PORT value needs to match the value that has been set for the TN3270 and would be set by the system administrator as well.   Thanks.

Peter Moogk( Remote Connection Emulator developer)

Thanks Daniel. I was wondering why the option to override the port is not provided in ZOpen Editor while the option is available in IDz. I believe this option would help the users to override the RCE PORT for time being while the system programmers apply the permanent changes at the  RSEAPI server side.