belongsTo(Department::class); } public function educationLevel(): BelongsTo { return $this->belongsTo(EducationLevel::class); } public function educationForm(): BelongsTo { return $this->belongsTo(EducationForm::class); } public function entranceExaminations(): HasMany { return $this->hasMany('App\Models\EntranceExamination', 'direction_id'); } public function directionProfiles(): BelongsToMany { return $this->belongsToMany(DirectionProfile::class); } }