plugin.ts

function create(registrationSvc: PluginRegistrationService) {
    //registrationSvc.SetCapabilities(myCapabilities);
    registrationSvc.SetPrintHandler(myPrinter)
}

function myPrinter(printRequest: PrintRequest) :string {
    let key = printRequest.KeyFromObject()
    let clientResp = printRequest.Client.Get(key)

    return "Object: " + printRequest.Object() + ", Key: " + key + ", Client.Get: " + clientResp;
}

// ---