studio-web
2.2510
false
- Getting started
- Administration
- RPA workflow projects
- Creating an RPA workflow from an idea
- Creating a project
- How to start an RPA workflow
- Managing project files and folders
- Connecting RPA workflows to your accounts
- Configuring activities
- Managing the activities in a project
- Passing values between activities
- Iterating through items
- Managing the data in a project
- Configuring a project to use your data
- Using file and folder resources
- Using UI Automation for browser interactions
- App projects
- Apps in Studio Web
- Set an external context using query parameters
- Set an external context using external events
- Use arrays to populate Dropdown, Multiselect dropdown, and Radio Button controls
- Use tabular controls with Data Service entities in app projects
- App activities
- Tests

Studio Web for Automation Suite User Guide
Last updated Nov 11, 2025
You can use arrays to populate the options of Dropdown, Multiselect dropdown, and Radio Button controls, by referencing them in the List source field of the control:
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Select the control and go to General properties tab.
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Open the expression editor for the List source field.
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Write one of the following expressions:
New List(Of String) From {"Value1", "Value2", "Value3"}.ToListSource()New List(Of String) From {"Value1", "Value2", "Value3"}.ToListSource(){"v1", "v2", "v3"}.ToListSource(){"v1", "v2", "v3"}.ToListSource()