Accessing a Component's Grandchildren in Angular
Let's say we have three components: grandparent component 👴🏻, parent component 👩🏻 and a child componentI want to access the child component from the grandparent component. Your first instinct would probably be to use @ViewChildren and do the following: Unfortunately, using @ViewChildren from grandparent component to query the child component won't work.

https://engineering.datorama.com/accessing-a-components-grandchildren-in-angular-ea15008828ea