belongsTo(Plant::class); } public function checkPointNames(): BelongsTo { //return $this->belongsTo(CheckPointName::class); return $this->belongsTo(CheckPointName::class); } public function checkPointNames1(): BelongsTo { //return $this->belongsTo(CheckPointName::class); return $this->belongsTo(CheckPointName::class, 'check_point1_id'); } public function checkPointNames2(): BelongsTo { //return $this->belongsTo(CheckPointName::class); return $this->belongsTo(CheckPointName::class, 'check_point2_id'); } }