How in user model with pivot to tasks to restrict to only uncompleted tasks?

On laravel 10 site I have 3 related tables :

Schema::create('users', function (Blueprint $table) {    $table->id();    $table->string('name');    ...    $table->timestamp('created_at')->useCurrent();});Schema::create('tasks', function (Blueprint $table) {    $table->id();    $table->foreignId('creator_id')->references('id')->on('users')->onUpdate('RESTRICT')->onDelete('CASCADE');    $table->boolean('completed')->default(false);    ...    $table->timestamp('created_at')->useCurrent();    $table->timestamp('updated_at')->nullable();});Schema::create('task_user', function (Blueprint $table) {    $table->id();    $table->unsignedBigInteger('user_id')->unsigned()->index();    $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');    $table->foreignId('task_id')->references('id')->on('tasks')->onUpdate('RESTRICT')->onDelete('CASCADE');    $table->timestamp('created_at')->useCurrent();    $table->unique(['user_id', 'task_id']);});

I defined pivot relation in app/Models/User.php :

public function tasks(): belongsToMany {        return $this->belongsToMany(Task::class);}

But how can I in this relation to restrict to only uncompleted tasks, where

tasks.completed = false

?

"laravel/framework": "^10.48.7",

Thanks in advance!

Error Notice :

I tried as @Ignacio Amores proposed, but got error :

SQLSTATE[42S22]: Column not found: 1054 Unknown column 'task_user.completed' in 'where clause'select  `tasks`.*,  `task_user`.`user_id` as `pivot_user_id`,  `task_user`.`task_id` as `pivot_task_id`from  `tasks`  inner join `task_user` on `tasks`.`id` = `task_user`.`task_id`where  `task_user`.`user_id` = 1  and `task_user`.`completed` = 0

as I need to apply filter on tasks.completed, but not task_user.completed, as it is rendered using wherePivot method ...

I got data with code :

$this->profileUser->uncompletedTasks

and added method in User model :

public function uncompletedTasks(): belongsToMany {    return $this->belongsToMany(Task::class)->wherePivot('completed',false);}