A: It is possible to use services that are not included on GeneXus SDK for SAP Leonardo, to do so follow the steps detailed on the GeneXus SDK for SAP Leonardo: Importing a ML service article.
A: You can achieve both using GeneXus.
- The process to use retrained models it completely analog to using pre-trained models. The only differences are that the service URL would be different. Also, the authentication method would be OAuth 2.0 instead of using the APIKey.
- You to train models from GeneXus. To do this, SAP Leonardo provides an API that allows this task.
For information about this read GeneXus SDK for SAP Leonardo: Retraining a model to use in a ML service