Navigate to a section where you want to add the tool and click "Add an activity or resource".

Select "External Tool" from the activity picker.

From the dropdown select the preconfigured link.

Automatic, based on tool URL
Adaptive eLearning
Collaborate Ultra
Course Outlines
Gradescope
Inspera Auto-Provisioning
Inspera (Turnitin Feedback Studio)
Leganto Link
LTI Tool Test
McGraw Hill Connect
McGraw-Hill Education Connect
myExperience
Pearson
PebblePad ATLAS (LTI Express)
PebblePad Pebble+
Student survey
UNSW Lecture Recordings+
Virtuala
VoiceThread

Click "Save and return to course" once done.

Check your created LTI is linking to the correct place.

Creating an External tool link