Meteor about SOAP.createClient suggest usage

help
1

Hi all, im using meteor zardak soap package.
I dont wanna every time create Soap.createClient in methods server side. i just need client and session created vars. How can i solve this? Thanks.

  var url = 'http://www.xxxx.com/api/v2_soap/?wsdl';
                var args = {
                    apiKey: 'test123',
                    username: 'test'
                };
                try {
                    var client = Soap.createClient(url);
                    var session = client.login(args);
                } catch (err) {
                    if (err.error === 'soap-creation') {
                        console.log('SOAP Client creation failed');
                    } else if (err.error === 'soap-method') {
                        console.log('SOAP Method call failed');
                    }
                }