'datetime', 'completed_at' => 'datetime', 'is_overdue' => 'boolean', ]; } public function lead(): BelongsTo { return $this->belongsTo(Lead::class); } public function user(): BelongsTo { return $this->belongsTo(User::class); } public function creator(): BelongsTo { return $this->belongsTo(User::class, 'created_by'); } public function call(): BelongsTo { return $this->belongsTo(Call::class); } }