passing value via navigateByUrl with navigationExtras empty

Hi i have a function that navigate to another page and passing a id to another component but it return nothing to the other component. Not sure what i am doing wrong could someone point me in the right direction.

gotoConsulting(questionId: number): void {

let navigationExtras: NavigationExtras = {
queryParams: { 'origine': questionId.toString },
fragment: 'anchor'
};
console.log("idquestion" + questionId);
this._router.navigateByUrl('/consulting',navigationExtras);
}


here the component that get redirect but always return in the view None

export class PageConsulting implements OnInit {

origine: Observable<string>;

constructor(private route: ActivatedRoute) {}

ngOnInit(): void {
this.origine = this.route
.queryParamMap
.map(params => params.get('origine') || 'None');
}


}

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