You can use the send method, which takes the following parameters
send:senderMessage bodyRecipients: an array of recipients, with the phone number preceded by the international prefix+42-priority: the message priority in the queueoptions: https://developers.openapi.it/services/gatewaysmstest (optional): weather it is a test or not. Defaultfalse
const sms client.sms.send('john doe', 'Test sms', ['+39-3939989741'], 0, {}, true)