Get experience with IBM SPSS Modeler by creating a decision-tree machine-learning model to evaluate the risk that a customer might leave your service. This is a set by step tutorial. Credits to this demo https://www.ibm.com/cloud/garage/demo/try-spss-modeler/
So far this is the document I can find online, apart from another missing link: https://dataplatform.cloud.ibm.com/docs/content/wsd/spss-modeler.html