# CompositeMaterialProperty

#### new Cesium.CompositeMaterialProperty()
DataSources/CompositeMaterialProperty.js 24

  A `CompositeProperty` which is also a `MaterialProperty`.

### Members

#### readonlydefinitionChanged : Event
DataSources/CompositeMaterialProperty.js 53

  Gets the event that is raised whenever the definition of this property changes. The definition is changed whenever setValue is called with data different than the current value.

#### intervals : TimeIntervalCollection
DataSources/CompositeMaterialProperty.js 64

  Gets the interval collection.

#### readonlyisConstant : Boolean
DataSources/CompositeMaterialProperty.js 39

  Gets a value indicating if this property is constant. A property is considered constant if getValue always returns the same result for the current definition.

### Methods

#### equals(other) → Boolean
DataSources/CompositeMaterialProperty.js 119

  Compares this property to the provided property and returns `true` if they are equal, `false` otherwise.

  Name | Type | Description
  --- | --- | ---
  `other` | Property | optional The other property.

  ##### Returns:

  `true` if left and right are equal, `false` otherwise.

#### getType(time) → String
DataSources/CompositeMaterialProperty.js 77

  Gets the `Material` type at the provided time.

  Name | Type | Description
  --- | --- | ---
  `time` | JulianDate | The time for which to retrieve the type.

  ##### Returns:

  The type of material.

#### getValue(time, result) → Object
DataSources/CompositeMaterialProperty.js 98

  Gets the value of the property at the provided time.

  Name | Type | Description
  --- | --- | ---
  `time` | JulianDate | The time for which to retrieve the value.
  `result` | Object | optional The object to store the value into, if omitted, a new instance is created and returned.

  ##### Returns:

  The modified result parameter or a new instance if the result parameter was not supplied.