'datetime', ]; public function bom() { return $this->belongsTo(Bom::class, 'bom_id'); } public function lineRevision() { return $this->belongsTo(LineRevision::class, 'line_revision_id'); } public function changeOrders() { return $this->hasMany(BomChangeOrder::class, 'change_request_id'); } public function requestedBy() { return $this->belongsTo(User::class, 'requested_by'); } }