I am on Moodle 3.1 and have configured the external tool activity to connect to an LTI provider, Maple T.A. 10. We successfully accept grades from the provider. Every time a student attempts the external tool, the grade is updated in the Moodle gradebook. I would say this is like "Latest Grade" setting in Moodle Quizzes.
My question is whether one can keep track of the highest / average / first / last grades of the external tool activity in the gradebook, just like Moodle Quizzes, hopefully by configuring the Moodle side.
I note that the history of external tool attempts is stored in both the provider and Moodle. On Moodle side, you can view it in "Grade History."
A post which seems related: LTI Submission attempts sorting chronologically in gradebook and submission report https://moodle.org/mod/forum/discuss.php?d=271378