On mat-select value change, want to pass some flag to another column or want to add custom...

On mat-select value change, want to pass some flag to another column or want to add custom content next column of same row using angular.

[![On change on dropdown value, need to add "Modified column" in next column as shown in image. below are the code also.][1]][1]

<mat-select style="min-width: 150px;"
[(ngModel)]="data.selected_value"
name="configtableDropdown"
(selectionChange)="selection($event, data)">
<mat-option *ngFor="let dropdownValue of data.values" [value]="dropdownValue">
{{dropdownValue}}
</mat-option>
</mat-select>
</mat-form-field>


[1]: https://i.sstatic.net/GPdpsGvQ.png

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