You are talking for the input parameters of the EA? If yes, then use those "Constants": https://fxdreema.com/demo/mt4-constants
Otherwise inside the EA you can use "Variables": https://fxdreema.com/demo/mt4-variables
I will make the local build to try to connect the server first, and if not - to enter offline after 5 seconds, depending on the profile information that was previously received from the server.