# PlayableExtensions > Extensions for all the types that implements IPlayable. ## Definition * **Type:** Class * **Namespace:** [UnityEngine.Playables](/engine/6000.0/script-reference/unityengine/playables.md) * **Assembly:** UnityEngine.CoreModule ```csharp public static class PlayableExtensions ``` ## Remarks Extension methods are static methods that can be called as if they were instance methods on the extended type. ## Examples ```csharp using UnityEngine; using UnityEngine.Animations; using UnityEngine.Playables; public class ExamplePlayableBehaviour : PlayableBehaviour { void Start() { PlayableGraph graph = PlayableGraph.Create(); AnimationMixerPlayable mixer = AnimationMixerPlayable.Create(graph, 1); // Calling method PlayableExtensions.SetDuration on AnimationMixerPlayable as if it was an instance method. mixer.SetDuration(10); // The line above is the same as calling directly PlayableExtensions.SetDuration, but it is more compact and readable. PlayableExtensions.SetDuration(mixer, 10); } } ``` ## Static Methods | Method | Description | | ---------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | [AddInput](/engine/6000.0/script-reference/unityengine/playables/playableextensions/addinput.md) | Create a new input port and connect it to the output port of the given [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [ConnectInput](/engine/6000.0/script-reference/unityengine/playables/playableextensions/connectinput.md) | Connect the output port of a [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md) to one of the input ports. | | [Destroy](/engine/6000.0/script-reference/unityengine/playables/playableextensions/destroy.md) | Destroys the current [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [DisconnectInput](/engine/6000.0/script-reference/unityengine/playables/playableextensions/disconnectinput.md) | Disconnect the input port of a [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [GetDuration](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getduration.md) | Returns the duration of the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [GetGraph](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getgraph.md) | Returns the [PlayableGraph](/engine/6000.0/script-reference/unityengine/playables/playablegraph.md) that owns this [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). A [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md) can only be used in the graph that was used to create it. | | [GetInput](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getinput.md) | Returns the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md) connected at the given input port index. | | [GetInputCount](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getinputcount.md) | Returns the number of inputs supported by the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [GetInputWeight](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getinputweight.md) | Returns the weight of the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md) connected at the given input port index. | | [GetLeadTime](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getleadtime.md) | Returns the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md) lead time in seconds. | | [GetOutput](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getoutput.md) | Returns the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md) connected at the given output port index. | | [GetOutputCount](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getoutputcount.md) | Returns the number of outputs supported by the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [GetPlayState](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getplaystate.md) | Returns the current PlayState of the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [GetPreviousTime](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getprevioustime.md) | Returns the previous local time of the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [GetPropagateSetTime](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getpropagatesettime.md) | Returns the time propagation behavior of this [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [GetSpeed](/engine/6000.0/script-reference/unityengine/playables/playableextensions/getspeed.md) | Returns the speed multiplier that is applied to the the current [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [GetTime](/engine/6000.0/script-reference/unityengine/playables/playableextensions/gettime.md) | Returns the current local time of the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [GetTraversalMode](/engine/6000.0/script-reference/unityengine/playables/playableextensions/gettraversalmode.md) | Returns the propagation mode for the multi-output playable. | | [IsDone](/engine/6000.0/script-reference/unityengine/playables/playableextensions/isdone.md) | Returns a flag indicating that a playable has completed its operation. | | [IsNull](/engine/6000.0/script-reference/unityengine/playables/playableextensions/isnull.md) | Returns true if the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md) is null, false otherwise. | | [IsValid](/engine/6000.0/script-reference/unityengine/playables/playableextensions/isvalid.md) | Returns the vality of the current [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [Pause](/engine/6000.0/script-reference/unityengine/playables/playableextensions/pause.md) | Tells to pause the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [Play](/engine/6000.0/script-reference/unityengine/playables/playableextensions/play.md) | Starts to play the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [SetDone](/engine/6000.0/script-reference/unityengine/playables/playableextensions/setdone.md) | Changes a flag indicating that a playable has completed its operation. | | [SetDuration](/engine/6000.0/script-reference/unityengine/playables/playableextensions/setduration.md) | Changes the duration of the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [SetInputCount](/engine/6000.0/script-reference/unityengine/playables/playableextensions/setinputcount.md) | Changes the number of inputs supported by the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [SetInputWeight](/engine/6000.0/script-reference/unityengine/playables/playableextensions/setinputweight.md) | Changes the weight of the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md) connected to the current [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [SetLeadTime](/engine/6000.0/script-reference/unityengine/playables/playableextensions/setleadtime.md) | Sets the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md) lead time in seconds. | | [SetOutputCount](/engine/6000.0/script-reference/unityengine/playables/playableextensions/setoutputcount.md) | Changes the number of outputs supported by the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [SetPropagateSetTime](/engine/6000.0/script-reference/unityengine/playables/playableextensions/setpropagatesettime.md) | Changes the time propagation behavior of this [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [SetSpeed](/engine/6000.0/script-reference/unityengine/playables/playableextensions/setspeed.md) | Changes the speed multiplier that is applied to the the current [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [SetTime](/engine/6000.0/script-reference/unityengine/playables/playableextensions/settime.md) | Changes the current local time of the [Playable](/engine/6000.0/script-reference/unityengine/playables/playable.md). | | [SetTraversalMode](/engine/6000.0/script-reference/unityengine/playables/playableextensions/settraversalmode.md) | Sets the propagation mode of PrepareFrame and ProcessFrame for the multi-output playable. |