grade/edit/outcome/edit
From MoodleDocs
Adding a new outcome
Outcomes are new in 1.9. The main article is here.
Note: You are currently viewing documentation for Moodle 3.3. Up-to-date documentation for the latest stable version of Moodle is probably available here: grade/edit/outcome/edit.
Outcomes are new in 1.9. The main article is here.