Forward state with navigateByUrl in Angular

i want to pass some data, when changing the view with navigateByUrl like

this.router.navigateByUrl(url, {state: {hello: "world"}});


In the next view i want to simply log the hello attribute like

constructor(public router: Router) { }

ngOnInit(): void {
console.log(this.router.getCurrentNavigation().extras.state.hello)
}


When I now do it this way, i get an error:

ERROR TypeError: Cannot read property 'extras' of null
at ProfileContactViewComponent.ngOnInit


Am i doing this correctly or is there a better way to pass the data between the views? Thanks for your help.

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