Functions and Macros
Functions can be used in nodes and fields of the destination structure. Functions are like functions of a programming language. They have input parameters and a return value and may perform certain operations. However, no programming skills are necessary as these functions are very simple. Multiple functions can be run successively on a destination field. We call this a function chain.
Macros offer the possibility to encapsulate and reuse function chains. This allows the compact use of function chains and a central maintenance of these.