When you create a parameter, you select the discipline and type of parameter.
The types of parameters that are available depend on the discipline you choose:
- What's New in Revit
- Revit 2026 Release Notes
- Get Started
- Have You Tried
- Cloud Models
- Model the Design
- Model the Design
- Create Modeling Views
- Model Layout
- Design Options
- Revit Families
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- Sketching
- Editing Elements
- Work Planes
- Reference Planes
- Control the Extents of Datums
- Control the Visibility of Datums
- Datum Extents and Visibility
- Control Visibility of Datums Using Scope Boxes
- Constraints
- Parameters
- Formulas
- Sloped Surfaces
- Compound Structure
- Area Analysis
- Parts
- Filter List
- Add or Change an Assembly Code
- About Offsets
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- Structures
- Mechanical, Electrical, and Plumbing (MEP)
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- Revit Developer's Guide
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