# Shape.getShapeOutputContainerIndex

Returns the shapes output container index listed in the shapeset for pipe graph affecting shapes.

**Kind:** Function

**Environments:** Game

## Game

``` { .lua .api-signature }
shape:getShapeOutputContainerIndex(  )
```

[Open the full Game reference](../Game-Script-Environment/Userdata/Shape.md#getshapeoutputcontainerindex)

**Parameters:**

| Name | Type | Description |
| --- | --- | --- |
| `shape` | [Shape](../Game-Script-Environment/Userdata/Shape.md) | — |