# Create Section Modifier
WARNING
GSA-Grasshopper plugin is pre-release and under active development, including further testing to be undertaken. It is provided "as-is" and you bear the risk of using it. Future versions may contain breaking changes. Any files, results, or other types of output information created using the plugin should not be relied upon without thorough and independent checking.
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# Description
Create a GSA Section Modifier
Note: This is a dropdown component and input/output may vary depending on the selected dropdown
# Input parameters
 | Generic | Area Modifier | [Optional] Modify the effective Area BY this decimal fraction value (Default = 1.0 -> 100%) |
| Generic | I11 Modifier | [Optional] Modify the effective Iyy/Iuu BY this decimal fraction value (Default = 1.0 -> 100%) |
| Generic | I22 Modifier | [Optional] Modify the effective Izz/Ivv BY this decimal fraction value (Default = 1.0 -> 100%) |
| Generic | J Modifier | [Optional] Modify the effective J BY this decimal fraction value (Default = 1.0 -> 100%) |
| Generic | K11 Modifier | [Optional] Modify the effective Kyy/Kuu BY this decimal fraction value (Default = 1.0 -> 100%) |
| Generic | K22 Modifier | [Optional] Modify the effective Kzz/Kvv BY this decimal fraction value (Default = 1.0 -> 100%) |
| Generic | Volume Modifier | [Optional] Modify the effective Volume/Length BY this decimal fraction value (Default = 1.0 -> 100%) |
 | Unit Number Linear Density | Additional Mass | [Optional] Additional mass per unit length (Default = 0 -> no additional mass) |
 | Boolean | Principal Bending Axis | [Optional] Set to 'true' to use Principal (u,v) Axis for Bending. If false (and by default), Local (y,z) Axis will be used |
| Boolean | Reference Point Centroid | [Optional] Set to 'true' to use the Centroid as Analysis Reference Point. If false (and by default), the specified point will be used |
# Output parameters
 | Section Modifier | Section Modifier | GSA Section Modifier parameter |