1. Documentation
  2. API
  3. Events
  4. model
  5. relation
  6. beforeAttach

model.relation.beforeAttach

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

Called before creating a new relation between models (only for BelongsToMany relation)

Example usage:

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