>onComplete</code> callback
or yielding control to the next chained Tween if one exists.</p>
<p>If control has already been passed on, forwards the cancellation
request along the chain to the currently active Tween.</p><div class="javadoc inline-content">Available since <p>4.3.0</p>.</div></div></div><div class="field "><a name="start"></a><h3 class="anchor"><code><a href="#start"><span class="identifier">start</span></a>():<a class="type" title="flixel.tweens.FlxTween" href="../../../flixel/tweens/FlxTween