To use input parameter variable in "" of "",
you must set proper read permission at upstream job.
At upstream job while working together with ,
display a misleading warning ""
when using DOWNSTREAM_PROJECT_NAME only without "FOLDERNAME" prefix.
When using full complete name together with FOLDER_NAME,
such as "",
"" will not display warning.
the downstream job is unable to copy artifacts with error:
If it's intended to use PROJECT_NAME only without full-name to include FOLDER_NAME,
then it should not display this misleading warning.
Also this note should put together with HELP string.