# Sandbox.Animation.GraphBuilder.FootIK

```csharp
Node FootIK(Node child, string leftFootBone, string rightFootBone, FootIKSettings settings)
```

Two-bone IK applied to the left and right foot bones with independent targets,
falling back to solving only one foot when a single target is provided.

### Parameters

- `child` (`Node`): Pose to apply the IK on top of.
- `leftFootBone` (`string`): The left foot bone name.
- `rightFootBone` (`string`): The right foot bone name.
- `settings` (`FootIKSettings`): Foot targets and IK blending options.

### Returns

`Node`

Declared in [Sandbox.Animation.GraphBuilder](/api/Sandbox.Animation.GraphBuilder).
Assembly: `Sandbox.Engine`.