https://support.sw.siemens.com/en-US/okba/AL45863/MOVED-Issue-on-the-programmatic-usage-of-Subprocess-Operator/index.html
MOVED: Issue on the programmatic usage of Subprocess Operator
on theprogrammatic usagemovedissuesubprocess
https://cran.r-project.org/web/packages/plumber2/vignettes/programmatic-usage.html
Programmatic Usage
programmaticusage