All classes Dynamo for Revit Advanced Syllabus · Episode 4 of 7

Dynamo for Revit Advanced #17: Importing CSV Data to Fill Parameters

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Episode seventeen of the Dynamo for Revit advanced series: importing CSV to fill Mark parameters. Content: Data.ImportCSV reads CSV files; List.Flatten the imported results; Filling Mark from file data; Complete Revit course from zero to advanced (BIM); Script creation services Dynamo & BIM Revit modeling; 2-story house project file (.rvt) available. Complete with PDF steps and .dyn file.

Software: Revit 2027 + Dynamo
Level: Advanced
Duration: ± 4 min
Series total: 27 min · 7 videos
Published: October 15, 2026

Episode 4 of 7 · view syllabus

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Dynamo for Revit Advanced #17: Importing CSV Data to Fill Parameters: Cover: Dynamo for Revit Advanced #17: Import CSV Data to Fill Parameters

Dynamo for Revit Advanced #17: Importing CSV Data to Fill Parameters: Before you start, step list, and Step 1: Open Dynamo from the Manage tab in Revit

Dynamo for Revit Advanced #17: Importing CSV Data to Fill Parameters: Step 2–3: Create a new workspace with the New button

Dynamo for Revit Advanced #17: Importing CSV Data to Fill Parameters: Step 4–5: Read CSV file with Data.ImportCSV

Dynamo for Revit Advanced #17: Importing CSV Data to Fill Parameters: Step 6: Write to Mark parameter all windows

Dynamo for Revit Advanced #17: Importing CSV Data to Fill Parameters: Done: Final Result and Further Practice

Cover: Dynamo for Revit Advanced #17: Import CSV Data to Fill Parameters

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Transcript

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Introduction

In this episode, data from a CSV file, which can be created in Excel, can be read in Dynamo and used to fill in 12 window parameters at once. Let's get started. Use a project copy. Hello. In episode 17, we will import data from CSV into Revit. Use a project copy.

Step 1: Open Dynamo from the Manage tab in Revit

Open Dynamo from the Manage tab in Revit, then click Launch Dynamo. Wait until the window opens. On the initial page, click New to create an empty workspace.

Step 3: Get all window elements

Select all windows with category S, choose Windows and All Elements of Category.

Step 4: Read the CSV file with Data.ImportCSV

Create a CodeBlock containing the file CSV location in quotes. Add a data.import CSV node and connect the file location to the file path. Watch displays the file contents as a list.

Step 5: Flatten the imported list with List.Flatten

The import result is a nested list, so flatten it with list.flaten in CodeBlock.

Step 6: Write to the Mark parameter of all windows

Finally, add the .set parameter by name element. Connect the window, parameter name mark, and the imported list result. The 12 windows are immediately numbered from the CSV file.

Done! Window Mark is filled, CSV file

Done. External data enters Revit without typing one by one. In the next episode, we will tidy up the grab and create a custom node. Goodbye. Want to master Dynamo and Revit? Cerdas Inovasi Digital offers Revit and Dynamo courses, BIM modeling services and Dynamo script creation, as well as selling project files and grab files from this tutorial series. Contact our WhatsApp, or visit cerdasinovasidigital.com. See you in the next episode.

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Transcript

0:03Introduction

0:28Step 1: Open Dynamo from the Manage tab in Revit

1:14Step 3: Get all window elements

1:45Step 4: Read the CSV file with Data.ImportCSV

2:23Step 5: Flatten the imported list with List.Flatten

2:42Step 6: Write to the Mark parameter of all windows

3:16Done! Window Mark is filled, CSV file

Ask the class material

My notes

Questions & answers

Your instructor

▶ Video Lesson

Recommended classes for you

Need more than a video?

Transcript

0:03Introduction

0:28Step 1: Open Dynamo from the Manage tab in Revit

1:14Step 3: Get all window elements

1:45Step 4: Read the CSV file with Data.ImportCSV

2:23Step 5: Flatten the imported list with List.Flatten

2:42Step 6: Write to the Mark parameter of all windows

3:16Done! Window Mark is filled, CSV file

Ask the class material

My notes

Questions & answers

Your instructor

Introduction

Step 1: Open Dynamo from the Manage tab in Revit

Step 3: Get all window elements

Step 4: Read the CSV file with Data.ImportCSV

Step 5: Flatten the imported list with List.Flatten

Step 6: Write to the Mark parameter of all windows

Done! Window Mark is filled, CSV file

Introduction

Step 1: Open Dynamo from the Manage tab in Revit

Step 3: Get all window elements

Step 4: Read the CSV file with Data.ImportCSV

Step 5: Flatten the imported list with List.Flatten

Step 6: Write to the Mark parameter of all windows

Done! Window Mark is filled, CSV file