"required|unique:custom_fieldsets" ]; public function fields() { return $this->belongsToMany('\App\Models\CustomField')->withPivot(["required","order"])->orderBy("pivot_order"); } public function models() { return $this->hasMany('\App\Models\AssetModel', "fieldset_id"); } public function user() { return $this->belongsTo('\App\Models\User'); //WARNING - not all CustomFieldsets have a User!! } public function validation_rules() { $rules=[]; foreach ($this->fields as $field) { $rule=[]; if ($field->pivot->required) { $rule[]="required"; } array_push($rule, $field->attributes['format']); $rules[$field->db_column_name()]=$rule; } return $rules; } //requiredness goes *here* //sequence goes here? }