mat selection list form control
// 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>