Studio Web User Guide

DELIVERY:

Last updated Aug 26, 2025

Validation Control object vs variable

The Validation Control object and the Validation Control variable are both part of how UiPath Apps handle the Validation Control component, but they serve different purposes. If you want to bind logic, reference field values, or manage validation results, use the variable. If you want to adjust layout or properties of the visible control, use the object.

Here is a breakdown of the differences between the object and the variable, so you can use them correctly in your app:

Feature	Validation Control object	Validation Control variable
What it is	This is the UI component you drag onto a canvas when building your web app in Studio Web.	This is an auto-generated app variable that links to the Validation Control object. It holds all the data and logic behind the UI, such as taxonomy, extraction results, and current user selections.
What it does	Displays the document and extracted data to the user. Allows direct user interaction in the browser, to review or correct information. Supports basic App controls properties, such as DataSource, Hidden, Disabled, and ShowDocumentType.	Allows programmatic access to the Validation Control data. Allows reading and writing data. Stores data and exposes logic behind the control.
Where to use it	In the app designer, during design time. For UI-level logic, such as styling or setting visibility at runtime, for example `ValidationControl1.Hidden = true`.	In expressions or automation activities, such as Set Variable Value. For binding dropdowns, running logic, updating field values, or accessing document metadata. In more complex workflows where you need to inspect or update the contents of the validation task dynamically.

On this page

Validation Control object vs variable

Was this page helpful?

PREVIOUSThe Validation Control variable

NEXTValidation Control properties

Support and Services

Get The Help You Need

UiPath Academy

Learning RPA - Automation Courses

UiPath Forum

UiPath Community Forum

Trust and Security

Cookies Policy