Mat-autocomplete - How to access selected option?

Question

I know that [value] stores the selected Object (Offer in my case). According to materials documentation, optionSelected emits an event. I tried

Answer 1

It can we done in two ways

1) Using onSelectionChange which emits MatOptionSelectionChange from mat-option

    
      {{ option }}
    

2) Using optionSelected which emits MatAutocompleteSelectedEvent from mat-autocomplete

    
      {{ option }}