| inputCount | The number of inputs that the mixer will update. |
| normalizeWeights | Set to true if you want the system to force a weight normalization of the inputs. If true, the sum of all the inputs weights will always be 1.0. |
| graph | The PlayableGraph object. |
PlayableHandle A PlayableHandle on the created Playable.
Creates an AnimationMixerPlayable in the PlayableGraph.