Auto-graded assessments offer two main benefits: grading is handled by the assessment, and students receive rich, immediate feedback. Creating an auto-graded assessment can be as simple as specifying the expected output when a program is run.
The Demo Guides and Assessments Starter Pack provides a tutorial for creating guides and assessments. If this guide is not in your My Projects folder, click here and select Use Pack then click Create to add it to your projects.
The Codio technical documentation provides further information on creating assessments.