Sets the report row's ard_source: import:<file> (the file in the
study's input/ard/, see ard_imports()) or blank (the report's own
ARD definition). The report's program then reads that file.
Arguments
- x
A
tflplanner(study$planner).- output_id
The report.
- file
A
fileofard_imports();NULLto go back to the report's own ARD definition.