symbolItem.timeline

#### Availability

Flash MX 2004.

#### Usage

symbolItem.timeline

#### Description

Read-only property; a Timeline object (../Timeline_object/timeline_summary.md).

#### Example

The following example obtains and shows the number of layers that the selected movie clip in the library contains:

javascript
var tl = fl.getDocumentDOM().library.getSelectedItems()[0].timeline; 
alert(tl.layerCount);