This chapter is about a powerful feature of Pentaho Data Integration (PDI): metadata injection, which is basically about injecting metadata into a template Transformation at runtime. In this chapter, we will explain the motivation behind this feature and then we will give a couple of practical examples for you to learn how to implement this feature.
We will be covering the following topics in this chapter:
- Introducing metadata injection
- Discovering metadata and injecting it
- Identifying use cases to implement metadata injection