# Check Versions

![](/files/iTIA1Glul7faZrgjyVMp)

![](/files/-Ma9I6hVtlccTwbvkMkA) - [\[source code\]](https://github.com/ladybug-tools/honeybee-grasshopper-core/blob/master/honeybee_grasshopper_core/src//HB%20Check%20Versions.py)

Check the versions of the engines that are being used by the honeybee plugin. This is useful for verifying that everything has been installed correctly and that the versions of the engines are as expected.

### Inputs

### Outputs

* **lbt\_gh**

The version of Ladybug Tools for Grasshopper that is installed.

* **python**

The version of Python used for Ladybug Tools CLI calls.

* **radiance**

The version of Radiance used by Ladybug Tools (will be None if it is not installed).

* **openstudio**

The version of OpenStudio used by Ladybug Tools (will be None if it is not installed).

* **energyplus**

The version of EnergyPlus used by Ladybug Tools (will be None if it is not installed).


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