FYI, there will be an Esri live training seminar offered on Thursday April 26th, 2018. For more details, please review the session description,
Survey123 for ArcGIS: Get Started with Online Surveys
Hope this helps,
FYI, video recording of this webinar is available,
https://www.esri.com/training/catalog/5ac562b85753b7149ff50ac3/survey123-for-arcgis:-get-started-wit...