'date', ]; } protected static function booted(): void { static::creating(function (DentalPerioExam $exam) { if (! $exam->uuid) { $exam->uuid = (string) Str::uuid(); } }); } public function getRouteKeyName(): string { return 'uuid'; } public function patient(): BelongsTo { return $this->belongsTo(Patient::class, 'patient_id'); } public function visit(): BelongsTo { return $this->belongsTo(Visit::class, 'visit_id'); } public function sites(): HasMany { return $this->hasMany(DentalPerioSite::class, 'perio_exam_id'); } }