| stateName | 状态名称。 |
| stateNameHash | The state hash name. If stateNameHash is 0, it changes the current state time. |
| layer | 层的索引。如果 layer 为 -1，则播放第一个具有给定状态名称或哈希的状态。 |
| fixedTime | 时间偏移（以秒为单位）。 |
播放一个状态。
When you specify a state name, or the string used to generate a hash, it should include the name of the parent layer. For example, if you have a Run state in the Base Layer, the name is Base Layer.Run.