belongsTo(Media::class, 'media_id', 'id'); } public function cooperation(){ return $this->belongsTo(Cooperation::class, 'cooperation_id', 'id'); } public function journalists() { return $this->belongsToMany(Journalist::class, 'journalists_cooperation_proposals', 'cooperation_proposal_id', 'journalist_id') ->using(JournalistCooperationProposal::class) ->withTimestamps(); } }