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# User Overrides

User overrides let you grant individual students a personalised deadline or a different number of resubmission attempts — without affecting the activity settings for everyone else.

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Required capability: `mod/casestudy:manageoverrides` — Editing Teacher or Manager role.

## Accessing overrides

Inside the Case Study activity, click Overrides in the activity navigation menu.

The Overrides link in the activity navigation

## Overrides list page

The list shows all active overrides for this activity.

The overrides list — one row per student with an override

Column | Description
--- | ---
Student | The student who has the override
Case Study Closes | Their personalised deadline (shown only if set)
Total Attempts Allowed | Their personalised attempt limit (shown only if set)
Actions | Edit / Duplicate / Delete

## Adding an override

### Override edit form

The override edit form
Student

Select the student from the dropdown. The list shows all users with the `mod/casestudy:submit` capability (typically all enrolled students).

Case study closes

Tick the checkbox to enable a personalised deadline. A date/time picker appears — set the student's extended deadline.

Example: The activity closes 30 June. You grant one student an override closing 7 July. Only that student can submit until 7 July; everyone else is locked out after 30 June.

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Leave unticked to not override the deadline — the student simply uses the activity's default due date.
Total attempts allowed per case study

Tick the checkbox to enable a personalised attempt limit. A number input appears — set how many times (1–10) this student may resubmit.

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Leave unticked to not override the attempts — the student uses the activity default.
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Validation: At least one of the two overrides (end date OR attempts) must be enabled before you can save. You cannot save a blank override.

## Editing an override

Click Edit next to the override. The same form opens pre-filled with the current values. Modify and click Save.

## Duplicating an override

Click Duplicate next to an override to create a copy for a different student.

The edit form opens with the same override values but with the student field cleared. Select a new student and save.

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Duplicate is the quickest way to grant the same extension to several students — create one override, then duplicate it for each additional student.

## Deleting an override

Click Delete and confirm. Once deleted, the student immediately reverts to the default activity settings.

## How overrides interact with the activity

When an override exists for a student, the system uses the override values instead of the activity-level values for that student only:

- Due date: The override timeclose replaces the activity timeclose for all deadline checks.
- Attempt limit: The override maxattempts replaces the activity maxattempts when calculating remaining submissions.

Overrides are invisible to students — they simply experience the extended deadline or additional attempts without any indication that an override exists.