//tag::ref-doc[] = Header Enricher Processor Use the header-enricher app to add message headers. The headers are provided in the form of new line delimited key value pairs, where the keys are the header names and the values are SpEL expressions. For example `--headers='foo=payload.someProperty \n bar=payload.otherProperty'`. == Options The **$$header-enricher$$** $$processor$$ has the following options: //tag::configuration-properties[] $$header.enricher.headers$$:: $$\n separated properties representing headers in which values are SpEL expressions, e.g foo='bar' \n baz=payload.baz.$$ *($$Properties$$, default: `$$<none>$$`)* $$header.enricher.overwrite$$:: $$set to true to overwrite any existing message headers.$$ *($$Boolean$$, default: `$$false$$`)* //end::configuration-properties[] //end::ref-doc[]