'datetime', 'completed_at' => 'datetime', ]; } public function activity(): BelongsTo { return $this->belongsTo(Activity::class); } public function clientCase(): BelongsTo { return $this->belongsTo(ClientCase::class); } public function contract(): BelongsTo { return $this->belongsTo(Contract::class); } public function user(): BelongsTo { return $this->belongsTo(User::class); } }