This code example shows how to setup sbt to use a customized Slick code-generator for working with an existing database schema. project/Build.scala enables automatically as well as manually triggered code-generation. codegen/CustomizedCodeGenerator.scala contains the code customizing Slick's code-generator. codegen/Config.scala contains some shared configuration code between the code-generator and the main project. src/main/scala/Example.scala uses the generated code. The code is generated into file target/scala-2.11/src_managed/slick/demo/Tables.scala. The location can be changed in the sbt script. It is usally wise to keep the generated Slick code under version control.