Learning Unit Schema

ID of the parent lesson/section (Lektion)

ID of the parent course (denormalized)

Learning unit title

Type of learning unit content

Position within the parent section

Whether unit can be accessed without enrollment

Whether the unit is visible to students

TipTap JSON content for text units

URL of the video

Video hosting provider

Total video duration in seconds

BunnyCDN Stream video GUID (source of truth for provider "bunny"; playback URL is signed per-request)

BunnyCDN Stream processing status for UI feedback

ID of the question pool to draw from

Number of questions to draw randomly from pool

Time limit in seconds (0 = no limit)

Minimum score percentage to pass (0-100)

Maximum number of attempts (null = unlimited)

Whether to shuffle question order

Whether to shuffle answer options

Whether to show correct answers after submission

Whether this unit counts toward gradebook/certificate (default: true for exam, false for quiz)

Whether students can navigate back to previous questions (default: true for quiz, false for exam)

Whether this unit must be completed for course completion (default: true for exam, false for quiz)

Inline quiz questions (alternative to question pool)

How to calculate final grade from multiple attempts (default: highest)

Quiz opens at this time (ISO 8601)

Quiz closes at this time (ISO 8601)

What happens if submitted after availableUntil (default: none)

Percentage deducted for late submission (e.g., 20 = -20%)

Granular review options per time window. Overrides showCorrectAfter when set.

Minimum minutes to wait between attempts

Percentage deducted per subsequent attempt (e.g., 10 = attempt 2 loses 10%, attempt 3 loses 20%)

Instructions for file upload assignment

Allowed MIME types for uploads

Maximum file size in MB

ID of the registered LTI tool (lti_tools collection)

Custom parameters for this unit (merged with tool-level defaults)

Open the tool in a new tab instead of an inline iframe

Minimum AGS score (0–100) required to auto-complete this unit

ID of the uploaded .h5p file in files collection

URL path to the extracted H5P content (set by worker after extraction)

Minimum xAPI score (0–100) required to auto-complete this unit

Completion requirements for this unit

Additional resources attached to this unit

Ordered slides shown one at a time (type: slides)

Whether AI review is enabled for file upload submissions

Custom AI prompt for reviewing file submissions

Grading rubric for AI review of file submissions