apps
latest
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- Getting Started
 - Demo apps
 - How To
- Build your first app (old)
 - Build a Mobile-Friendly App
 - General User Experience Guidelines
 - Use Master Detail View
 - Use Document Viewer
 - Use Count With Choice Set Values
 - Use Selected Values From a Table
 - Embed Apps
 - Embed Maps
 - Hide Containers Using a Button
 - Include MailTo Links
 - Include Star Ratings
 - Set External Context
 - Work With Data Source and Value Bind
 - Use the Send Interim Result Activity
 - Public Apps
 
 - Notifications
 - Using VB Expressions
 - Designing your App
 - Events and Rules
- Rule: If-Then-Else
 - Rule: Open a Page
 - Rule: Open URL
 - Rule: Close Pop-Over/Bottom Sheet
 - Rule: Show Message
 - Rule: Show/Hide Spinner
 - Rule: Set Values
 - Rule: Start Process
 - Rule: Upload File to Storage Bucket
 - Rule: Get File From Storage Bucket
 - Rule: Reset Values
 - Rule: Create/Update Entity Record
 - Rule: Delete Entity Record
 - Rule: Add to Queue
 
- Function: And, Or, Not
 - Function: Concat
 - Function: Contains
 - Function: Count
 - Function: EndsWith
 - Function: If
 - Function: IsBlank
 - Function: Guid
 - Function: Length
 - Function: List
 - Function: StartsWith
 - Function: Sum
 - Function: Sort
 - Function: Now
 - Function: Today
 - Function: Time
 - Function: Year
 - Function: Month
 - Function: Day
 - Function: Hour
 - Function: Minute
 - Function: New
 - Function: Lookup
 - Function: Filter
 
 - Leveraging RPA in your App
 - Leveraging Entities in Your App
 - Leveraging Queues in Your App
 - Leveraging Media in your app
 - Leveraging Actions in your app
 - Leveraging Connections in your apps
 - Application Lifecycle Management (ALM)
 - UiPath First-Party Apps
 - Basic Troubleshooting Guide
 
important :
 For documentation on app projects in Studio Web, refer to the App Projects chapter in the Studio Web documentation: https://docs.uipath.com/studio-web/automation-cloud/latest/user-guide/apps-in-studio-web.

DEPRECATED
Legacy Apps user guide
Last updated Oct 28, 2025
Use this function to combine text from multiple individual strings or list of strings.
| 
                            Syntax  | 
                            Operator  | 
                            Description  | 
                            Example  | 
|---|---|---|---|
| 
                            Concat(Text1 [,Text2])  | 
                            
  | 
                            Combines multiple strings into a single string  | 
                            | 
For more information on arguments, see the table below.
| 
                               Argument  | 
                               Type  | 
                               Description  | 
|---|---|---|
| 
                               
  | 
                               Required  | 
                               The first item to join. The item can be a text value, number, or cell reference.  | 
| 
                               
  | 
                               Optional  | 
                               Additional text items to join. You can have up to 255 items, up to a total of 8,192 characters.  | 
Assume that variable JamType = 
               
               
               Apricot:
               Concat(JamType, “jam”, “!”): Apricotjam!Concat(JamType, " ", “jam”, “!”): Apricot jam!Concat(JamType, " jam”, “!”): Apricot jam!Concat("My favorite jam is ”, JamType, "!"): My favorite jam is Apricot!Concat(List(“Blackberry “, “ is “, “ good”, “too!”)): Blackberry is good too!