From within your course, go to Assignments, and then click on New Assignment. Under Submission Type, change it from Online to External Tool. Click the Find button. Scroll down and find SIMTICS and click on it. Click on the category you would like and then the specific module you want to add. Click on the link icon to add it without changing settings or click on the gear icon to change settings. Click Link. Click Select. Check the box that says "Load The Tool in a New Tab". Make any other assignment setting changes you wish to make. Add any text you would like to the instructions/description of the assignment. Click "Save & Publish".