Conflicts & Rules

Overlaps

$scheduler->preventOverlaps(bufferMinutes: 10);

Overlapping bookings on the same resource are refused, with the clashing event named in the message. The buffer keeps a gap between bookings.

Your own rules

$scheduler->validateUsing(function (Appointment $record, CarbonImmutable $start, ?Staff $resource): ?string {
    return $start->isWeekend() && ! $resource?->works_weekends
        ? 'Weekend bookings need a weekend practitioner.'
        : null;
});

Return a message to refuse the change, or null to allow it.

Where rules run

The same rules run for every change:

• drag to move and drag to resize
• drag across rows
• keyboard moves with Alt + arrows
• the create and edit modals

The browser flags conflicts while you drag; the server re-checks before saving.