According to materials documentation optionselected emits an event.
Mat autocomplete select event.
So when you select any option the displaywith directive triggers the displayfn function which takes the object as an argument and returns the string based on the selected value.
Using mat autocomplete of material2.
Now it s possible to recognize when the item is selected or deselected.
Both will fire soap request and the last soap request is the previous selected value isuserinput false.
The onselectionchange event replaced the selected event.
I am using an autocomplete mat autocomplete and at the moment it allows loading a list of users.
This allfruits val map user user username.
If i have a selected value and change the value the onselectionchange will fire two events.
In autocomplete i want to display the username but i want to save the value of that chosen user id.
Bug feature request or proposal.
On blur of the input validate function is called to check if the user wrote a valid value without selecting it in the list.
If you want to toggle mat select autocomplete from your own component event you need to import multiselectcomponent in the component and take it s reference as viewchild element eg.
Angular material select provides selectionchange event that emits when the selected value has been changed by the user.
If you want to integrate material autocomplete functionality in angular 6 7 8 this tutorial will work with every version.
Now it s possible to recognize when the item is selected or deselected.
I tried optionselected foofn but it doesn t exist.
I know that value stores the selected object offer in my case.