# ee.Feature.containedIn

Returns true if and only if the geometry of one feature is contained in the geometry of another.

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| Usage | Returns |
|---|---|
| `Feature.containedIn(right, *maxError*, *proj*)` | Boolean |

| Argument | Type | Details |
|---|---|---|
| this: `left` | Element | The feature containing the geometry used as the left operand of the operation. |
| `right` | Element | The feature containing the geometry used as the right operand of the operation. |
| `maxError` | ErrorMargin, default: null | The maximum amount of error tolerated when performing any necessary reprojection. |
| `proj` | Projection, default: null | The projection in which to perform the operation. If not specified, the operation will be performed in a spherical coordinate system, and linear distances will be in meters on the sphere. |