# polylinesToAdd property - PolylineUpdates class - amap_map library - Dart API
API docs for the polylinesToAdd property from the PolylineUpdates class, for the Dart programming language.

1. amap_map
2. amap_map
3. PolylineUpdates
4. polylinesToAdd property

##### PolylineUpdates class

1. Constructors
2. from
3. Properties
4. hashCode
5. polylineIdsToRemove
6. polylinesToAdd
7. polylinesToChange
8. runtimeType
9. Methods
10. noSuchMethod
11. toMap
12. toString
13. Operators
14. operator ==

# polylinesToAdd property

Set <Polyline> polylinesToAdd
read / write

用于添加polyline的集合

## Implementation

    Set<Polyline> polylinesToAdd