Developed with Maven archetype, according to the guidelines at https://syncope.apache.org/docs/2.1/getting-started.html#maven-project In addition, two REST endpoints are developed, to retrieve all the users and to send an email to the user identified by a provided e-mail address. All the references to the following links : https://github.com/ilgrosso/syncopeNewRESTEndpoint (for the second endpoint) https://www.tirasa.net/en/blog/add-rest-endpoints-to-apache-syncope-2-0 (guidelines to develop a REST endpoint with apache syncope).