'boolean', 'is_positive' => 'boolean', 'is_negative' => 'boolean', 'is_final' => 'boolean', 'is_active' => 'boolean', 'sort_order' => 'integer', ]; } public function nextPipelineStage() { return $this->belongsTo(PipelineStage::class, 'next_pipeline_stage_id'); } public function leadStatus() { return $this->belongsTo(LeadStatus::class); } }