A data element needed by an institution that is not available out of the box from the application. A business element or "attribute" that may be created in Streamlyne and added as a field to any maintenance document. It may be used to extend business or organizational concepts that are specific to an institution and beyond the basic Streamlyne design. Examples include assigning an account level in an organization hierarchy, linking project accounts, linking departments in a project, or linking accounts to cost pools.