e55a3d94_CollectiveAccess_Documentation__Description
[Setting] environment [Parameter notes] environment | 2 | myVariable [Example] Any source value. (E.g. ^2, /TEI/teiHeader/title) [Currently supported?] V1.5 [Description] 
Allows you to define a source expression that will be evaluated outside of basePath. Whatever value is in this source can be stored inside a variable. Then, this variable can be used as a source in the mapping itself, allowing the user to retrieve this value in a mapping that is otherwise evaluated inside of basePath.
Data Importer - CollectiveAccess Documentation
Description