1. Dart
2. dart:async
3. EventSink<T>
4. add abstract method

##### EventSink class

1. Constructors
2. EventSink
3. Properties
4. hashCode
5. runtimeType
6. Methods
7. add
8. addError
9. close
10. noSuchMethod
11. toString
12. Operators
13. operator ==

description

# add method Null safety

void add (

1. T event

)
override

Adds a data `event` to the sink.

Must not be called on a closed sink.

## Implementation

    void add(T event);