belongsToMany(Art::class, 'folder_art')->withTimestamps(); } public function bylaws() { return $this->belongsToMany(BylawDocument::class, 'folder_bylaw', 'folder_id', 'bylaw_document_id')->withTimestamps(); } public function judicialPrecedents() { return $this->belongsToMany(JudicialPrecedent::class, 'folder_judicial_precedent', 'folder_id', 'judicial_precedent_id')->withTimestamps(); } public function legalOpinions() { return $this->belongsToMany(LegalOpinion::class, 'folder_legal_opinion', 'folder_id', 'legal_opinion_id')->withTimestamps(); } }