teal ApplicationAdds a custom server function to the teal app. This function can define additional server logic.
teal_extend_server(x, custom_server, module_id = character(0))(teal_app) A teal_app object created using the init function.
(function(input, output, session) or function(id, ...))
The custom server function or server module to set.
(character(1)) The ID of the module when a module server function is passed.