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  2. API
  3. Events
  4. model
  5. relation
  6. beforeDetach

model.relation.beforeDetach

Triggered in October\Rain\Database\Relations\BelongsToMany.

Called before removing a relation between models (only for BelongsToMany relation)

Example usage:

$model->bindEvent('model.relation.beforeDetach', function (string $relationName, array $ids) use (\October\Rain\Database\Model $model) {
    if (!$model->isRelationValid($ids)) {
        return false;
    }
});