# 4.2. Parameters

- [Parameter Properties](/part-4.-parameters-and-data-classification./4.2.-parameters/parameter-properties.md): 4.2. Parameters
- [Creating Parameters](/part-4.-parameters-and-data-classification./4.2.-parameters/creating-parameters.md): 4.2. Parameters
- [Parameter Groups and Filling Rules](/part-4.-parameters-and-data-classification./4.2.-parameters/parameter-groups-and-filling-rules.md): 4.2. Parameters
- [Filling in the Properties of Revit Shared Parameters](/part-4.-parameters-and-data-classification./4.2.-parameters/filling-in-the-properties-of-revit-shared-parameters.md): 4.2. Parameters
- [Adding a New Parameter Group Type](/part-4.-parameters-and-data-classification./4.2.-parameters/adding-a-new-parameter-group-type.md): 4.2. Parameters
- [Adding Parameter Group Properties](/part-4.-parameters-and-data-classification./4.2.-parameters/adding-parameter-group-properties.md): 4.2. Parameters