angular - pass parameters oninit in typescript -

initpages(): void { this.authservice.authenticated.subscribe(authenticated => {   if (authenticated === true) {     this.authservice.user.subscribe(user => {       if (user !== null) {         this.displayname = user.displayname         **this.fbuid = user.providerdata[0].uid**         this.fbimage = `https://graph.facebook.com/${this.fbuid}/picture?type=large`         this.userservice.setonline(this.fbuid)         this.userservice.setfcmtoken(this.fbuid)         this.userservice.setdevice(this.fbuid)         this.userservice.setgeoposition(this.fbuid)         t} 

i want pass this.fbuid parameter new page on initialisation. how pass parameter new page? can give answer passing varible