'datetime']; } public function lead(): BelongsTo { return $this->belongsTo(Lead::class); } public function contact(): BelongsTo { return $this->belongsTo(Contact::class); } public function phone(): BelongsTo { return $this->belongsTo(ContactPhone::class, 'contact_phone_id'); } public function user(): BelongsTo { return $this->belongsTo(User::class); } }