On April 10, 2019, Eric Preston, Blackboard's resident LTI expert, spoke with us in Technical Office Hours. He gave us an overview of LTI technology. Watch recording in Bb Collaborate.
On May 1, 2019, Eric followed up with another, deeper dive into coding an LTI integration. Watch the recording in Bb Collaborate and check out the slide deck attached.
Here is the sample code referenced in the presentations: https://github.com/blackboard/BBDN-LTI-Tool-Provider-Node