Revit parameters are used to control and display an element's properties and information. There are several types of parameters in Revit, including

Parameters that you create display in the Properties palette or Type Properties dialog under the group you define and with the values you define.

1. Segment/Trade: Common Module: Revit Parameters Conducted by: Training Department Technical Training Session TRAINING MATERIAL Copyright © 2019, Pinnacle Infotech Solutions

2. Subject of Session: Learning Objectives: Introduction of Revit Software and Utility Drawing Set-up TRAINING MATERIAL Copyright © 2019, Pinnacle Infotech Solutions

3. What is a Parameter: TRAINING MATERIAL Copyright © 2019, Pinnacle Infotech Solutions A Revit parameter is a customizable attribute or property within the Revit software environment that holds data and information about elements, allowing users to define and control various aspects of building elements and project documentation. Note: The parameter's name must be descriptive enough for the user to understand what the parameter is used for. It must adhere to the company's naming standards or the project's BIM Execution Plan. It is possible to change the Project/Family parameters. In Shared Parameters, it is not editable.

4. Types of Parameters TRAINING MATERIAL Copyright © 2019, Pinnacle Infotech Solutions In Revit, there are five types of parameters available that we need to understand, specifically the difference between project and shared parameters. How so? The answer is that each parameter has some constraints. All Parameters can be used with multiple categories.

5. Built in Parameters TRAINING MATERIAL Copyright © 2019, Pinnacle Infotech Solutions Built-in parameters in Revit are predefined parameters that come preconfigured within the software. These parameters are already set up by Autodesk and are readily available for use in Revit projects without the need for additional configuration. Some common examples of built-in parameters include: Dimensions: Length, width, height, depth, diameter, etc. Materials: Material name, material type, material finish, etc. Identity Data: Element name, element type, mark, comments, etc. Location and Position: Coordinates, elevation, orientation, etc. Phasing: Phase created, phase demolished, phase status, etc. Cost and Quantity : Cost, quantity, unit price, etc. Who Creates it? Where is it saved? Can be tagged? Can be scheduled? Built-in- Parametrs Built-in Project file Yes Yes Family file

6. Project Parameters TRAINING MATERIAL Copyright © 2019, Pinnacle Infotech Solutions They are saved in a project file as custom parameters that can be added to or created. Every item of the chosen categories will have the project parameter added when it is created. Project parameters can be introduced to objects in the following categories and are particular to a single project file: Model categories Analytical categories Views Sheets Project Information Who Creates it? Where is it saved? Can be tagged? Can be scheduled? Project Parameters Custom Project file No No

7. Family Parameters TRAINING MATERIAL Copyright © 2019, Pinnacle Infotech Solutions They are created in a family file as custom parameters and are added to regulate variable geometry relationships or other family attributes. They are not available in other families within the same category, unlike project parameters, which are available for the family in which they are created individually. The only way to access these parameters to modify the properties of family types or instances is through the project file. They cannot be scheduled or tagged . Who Creates it? Where is it saved? Can be tagged? Can be scheduled? Family Parameters Custom Family file No No

8. Shared Parameters TRAINING MATERIAL Copyright © 2019, Pinnacle Infotech Solutions They are custom parameters that are unique in that they are not saved in the project or family. This type of parameter is saved in an external file known as the Shared Parameter file (.txt) Who Creates it? Where is it saved? Can be tagged? Can be scheduled? Shared Parameters Custom Shared parameters file Yes Yes

9. Global Parameters This new type of parameter was introduced in Revit 2016 Release 2, but it is not fully functional until Revit 2017. TRAINING MATERIAL Copyright © 2019, Pinnacle Infotech Solutions Criteria on which get’s differ from the project parameters: They are not added to all elements in a category when they are created, but to specific properties (instance/type parameters) of specific elements. Global parameters are added to control variable geometry relationships or other attributes between model elements, to drive the value of a dimension or constraint, to be associated with an element property to drive its value, or to report the value of a dimension so the value can be used in the equations of other global parameters. Who Creates it? Where is it saved? Can be tagged? Can be scheduled? Global Parameters Custom Project File No No

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