LTI Authentication for D2L

This document provides instructions for how to set up your WeBWorK server as an LTI provider in D2L, which then simplifies the process of creating links to individual WeBWorK courses or assignments. As an instructor this can be performed at the course level, and will apply to all links created within the course. An administrator can do this at the system level so that it applies to all courses on the system, or all courses within an organizational unit.

Setting up WeBWorK as a Tool Provider

1. Navigate to the Manage External Tools page (as an instructor, this can be found as follows. Go to the Content Browser. Within a content area, click on the "Add Existing Activities" drop-down, and choose "External Learning Tools", then click on "Manage External Tools" at the bottom.
2. Click on "Manage Tool Providers" at the top.
3. Click on "New Tool Provider", and fill in the following values:

Launch Point	The full url of your webwork server. Typically something like https://webwork.yourschool.edu/webwork2
Secret	A random string that must match the variable $LTIBasicConsumerSecret set in authen_LTI.conf
Tool consumer information	Check the box "Use custom tool consumer information instead of default"
Key	Can be any string, but do not leave blank.
Visibility	Click "Allow users to use this tool provider"
Name	Optional
Description	Optional
Contact Email	Optional