Your Admin must have already integrated Rumi into Blackboard.
To user Rumi in Blackboard, classes and assignments must be created in Blackboard, not Rumi.
This is a single-sign on integration, you should not register new accounts on Rumi.
Integration Steps
Step 1. Open a Course
Log in to Blackboard and navigate to the Courses tab.
Select the specific course where you wish to add Rumi.
Course selection
Step 2. Add the Rumi Assignment
In the Content tab, click the (+) icon or Add Content.
Add Content
Click on Content Market.
Content Market selection
Locate the Rumi LTI Tool and click the (+) icon in the bottom-right corner of the tool tile.
Rumi tool in Market
The Rumi link is now added to your course. By default, it is set to Hidden from students.
Content is hidden from students by default
To make it live, click the visibility dropdown and select Visible to students.
Visibility toggle
Step 3. Student Access
Students can now see the Rumi link within their course content. When they click it, they will be redirected to the Rumi word processor to begin their essay.