title: how Pass data to angular material bottomsheet
body: <p>I use Angular Material and Angular 6.
  I work a lot with material dialog and i make like this :</p>
  
  <pre><code>openDialog3(key : string): void {
    let dialogRef = this.dialog.open(PPSDialogRemoveComponent, {width: '1000px'}); 
    dialogRef.componentInstance.key = key;
  }
  </code></pre>
  
  <p>Now i want to work with angular materialbottomsheet. To pass the key, to my bottom component i try this :</p>
  
  <pre><code>  openBottomSheet(key: string): void {
      let dialogRef = this.bottomSheet.open(BottomSheetOverviewExampleSheet);
      dialogRef.componentInstance.key = key;
  }
  </code></pre>
  
  <p>But i have this error </p>
  
  <blockquote>
    <p>ERROR in src/app/geo/geo.component.ts(568,15): error TS2339: Property 'componen
    Instance' does not exist on type 'MatBottomSheetRef'.</p>
  </blockquote>
  
  <p>Thanks for your help</p>