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

Class Dynamo for Revit Intermediate #11: Filtering Elements by Type Name

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Episode eleven of the Dynamo for Revit series: filtering elements by type name. Content: viewing type names with Element.Name; String.Contains to create a mask; Two outputs from FilterByBoolMask; Complete Revit course from beginner to advanced (BIM); Script creation services for Dynamo & BIM Revit modeling; A two-story house project file (.rvt) is available. Complete with PDF steps and .dyn file.

Software: Revit 2027 + Dynamo
Level: Intermediate
Duration: ± 4 min
Series total: 33 min · 7 videos
Published: October 15, 2026

Episode 4 of 7 · view syllabus

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Transcript

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Introduction

In this episode, we will separate exterior walls and partition walls based on their type names. Let's get started. Hello! In episode 11, we will filter elements based on their type names.

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.

Step 2: Create a new workspace with the New button

On the initial page, click New to create an empty workspace. Select all walls, right-click, find Categories, select Walls, then All Elements of Category.

Step 3: Select all walls and view their type names

Add the .name element to see the type name of each wall. There are exterior walls and partition walls.

Step 4: Create a mask - type name contains 215Bwk

Create a code block containing string.contains with the name W and text 215BWK, connect the wall list to W. The result is mask, true for the type of exterior walls.

Step 5: Filter exterior walls with List.FilterByBoolMask

Add list.filter Bible mask and connect the walls and the mask. Output in contains the exterior walls, output out contains the rest.

Step 6: View exterior walls and partition walls in two Watch panels

Connect both outputs, both watches. The first watch contains the exterior walls, and the second watch contains the partition walls. The numbers in the bottom right corner of each watch are the counts.

Done! Elements are filtered by type name

Done! You can separate elements based on their type. In the next episode, we will color the preview elements. 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 grabbing Dynamo from this tutorial series. Contact our WhatsApp or visit cerdasinovasidigital.com See you in the next episode.

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Transcript

0:03Introduction

0:19Step 1: Open Dynamo from the Manage tab in Revit

0:51Step 2: Create a new workspace with the New button

1:12Step 3: Select all walls and view their type names

2:00Step 4: Create a mask - type name contains 215Bwk

2:32Step 5: Filter exterior walls with List.FilterByBoolMask

2:54Step 6: View exterior walls and partition walls in two Watch panels

3:19Done! Elements are filtered by type name

Ask the class material

My notes

Questions & answers

Your instructor

Recommended classes for you

Need more than a video?

Transcript

0:03Introduction

0:19Step 1: Open Dynamo from the Manage tab in Revit

0:51Step 2: Create a new workspace with the New button

1:12Step 3: Select all walls and view their type names

2:00Step 4: Create a mask - type name contains 215Bwk

2:32Step 5: Filter exterior walls with List.FilterByBoolMask

2:54Step 6: View exterior walls and partition walls in two Watch panels

3:19Done! Elements are filtered by type name

Ask the class material

My notes

Questions & answers

Your instructor

Introduction

Step 1: Open Dynamo from the Manage tab in Revit

Step 2: Create a new workspace with the New button

Step 3: Select all walls and view their type names

Step 4: Create a mask - type name contains 215Bwk

Step 5: Filter exterior walls with List.FilterByBoolMask

Step 6: View exterior walls and partition walls in two Watch panels

Done! Elements are filtered by type name

Introduction

Step 1: Open Dynamo from the Manage tab in Revit

Step 2: Create a new workspace with the New button

Step 3: Select all walls and view their type names

Step 4: Create a mask - type name contains 215Bwk

Step 5: Filter exterior walls with List.FilterByBoolMask

Step 6: View exterior walls and partition walls in two Watch panels

Done! Elements are filtered by type name