'json', 'duration' => 'integer', 'price' => 'double', 'plan_id' => 'integer', 'business_id' => 'integer', 'gateway_id' => 'integer', 'allow_multibranch' => 'integer', 'addon_domain_limit' => 'integer', 'subdomain_limit' => 'integer', ]; public function plan(): BelongsTo { return $this->belongsTo(Plan::class); } public function business(): BelongsTo { return $this->belongsTo(Business::class); } public function gateway(): BelongsTo { return $this->belongsTo(Gateway::class); } }