- install the Jenkins Parameterized Trigger plugin (2.35.2)
- create a freestyle job
- click Add build step
- click Trigger/call builds on [sic] other projects
- click Add ParameterFactories [sic]
- click For every matching file, invoke one build
- click next to File Name In Child Projects
- See a blank help box.
Expected results: there should be help.
The relevant empty file is:
I'm not going to fix this right away. Filing it because I found it while reading the help for everything and I'm punting as I'm not quite sure about the fix.