Clutter.DeformEffect.get_back_material

### Method

# Clutter DeformEffectget_back_material

#### Declaration [src]

    CoglHandle
    clutter_deform_effect_get_back_material (
      ClutterDeformEffect* effect
    )

#### Description [src]

Retrieves the handle to the back face material used by `effect`.

#### Return value

Returns: | `CoglHandle`
| A handle for the material, or `NULL`. The returned material is owned by the `ClutterDeformEffect` and it should not be freed directly.