Nome completo da exibição completa em vez de valor
<mat-form-field class="example-full-width">
<input type="text" placeholder="Person" aria-label="Person" matInput formControlName="personId" [matAutocomplete]="auto">
<mat-autocomplete #auto="matAutocomplete" [displayWith]="displayFn.bind(this)">
<mat-option *ngFor="let item of filteredOptions" [value]="item.id">
{{ item.name }}
</mat-option>
</mat-autocomplete>
</mat-form-field>
Delightful Deer