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# Primvar Reader

A node that provides the ability for shading networks to consume data defined on geometry.

## Parameter Types

**Primvar Reader (integer):**

|Input     |Type  |
                |----------|------|
                |`Varname` |String|
                |`Fallback`|Int32 |

|Output|Type |
                |------|-----|
                |`Out` |Int32|

**Primvar Reader (float):**

|Input     |Type  |
                |----------|------|
                |`Varname` |String|
                |`Fallback`|Float |

|Output|Type |
                |------|-----|
                |`Out` |Float|

**Primvar Reader (vector3f):**

|Input     |Type    |
                |----------|--------|
                |`Varname` |String  |
                |`Fallback`|Vector3f|

|Output|Type    |
                |------|--------|
                |`Out` |Vector3f|

**Primvar Reader (bool):**

|Input     |Type  |
                |----------|------|
                |`Varname` |String|
                |`Fallback`|Bool  |

|Output|Type|
                |------|----|
                |`Out` |Bool|

**Primvar Reader (vector2f):**

|Input     |Type    |
                |----------|--------|
                |`Varname` |String  |
                |`Fallback`|Vector2f|

|Output|Type    |
                |------|--------|
                |`Out` |Vector2f|

**Primvar Reader (vector4f):**

|Input     |Type    |
                |----------|--------|
                |`Varname` |String  |
                |`Fallback`|Vector4f|

|Output|Type    |
                |------|--------|
                |`Out` |Vector4f|

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