Check out example codes for "mat selection list form control". It will help you in understanding the concepts better.

Code Example 1

// component.ts
this.clientForm = this.fb.group( {
    myOtherControl: new FormControl([]) 
});

// component.html
<form [formGroup]="clientForm">
   <pre>
     {{ clientForm.get('myOtherControl').value | json }}
   </pre>

   <mat-selection-list formControlName="myOtherControl">
     <mat-list-option value="SOMETHING3">SOMETHING3</mat-list-option>
     <mat-list-option value="SOMETHING4">SOMETHING4</mat-list-option>
   </mat-selection-list>
</form>

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