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- About Automation Projects
  - About the Windows - Legacy Compatibility
  - About the Project.Json File
- About Publishing Automation Projects
- About Libraries
  - Loading Web Services in Libraries
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- Configuring Activity Project Settings
- Signing Packages
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- Modern Design Experience
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- Using the Data Manager
Dependencies
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- Project Dependencies Mass Update
  - Mass Update Command Line Parameters
- Missing or Invalid Activities
Types of Workflows
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Control Flow
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File Comparison
- About File Comparison
- Comparing Files
Automation Best Practices
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- Methodology for reusing UI components
Source Control Integration
- About Version Control
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- Workflow Diff
Debugging
- About Debugging
Logging
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The Diagnostic Tool
- About The Diagnostic Tool
Workflow Analyzer
- About Workflow Analyzer
- Naming Rules
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  - ST-PRR-004 - Hardcoded Delay Activity
- Reliability Rules
  - ST-REL-001 - Mismatched argument types
  - ST-REL-006 - Infinite Loop
- Security Rules
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  - ST-PMG-001 - Identify Activities with Duplicate IDs
  - ST-PMG-002 - Identify Expressions that Are Incompatible with Windows Projects
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- The Variables Panel
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Arguments
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- The Arguments Panel
- Using Arguments
Imported Namespaces
- About Imported Namespaces
- Managing Namespaces
Coded automations
- Introduction
- Getting started
- Quickstart guide
  - Creating your first coded test case
- Registering custom services
- Before and After contexts
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- Generating coded test case from manual test cases
- Tutorials
Trigger-based Attended Automation
- Trigger-based attended automation
- Overview
- Tutorials
Recording
- About Recording
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- Automatic Recording
- Example of Automatic Recording With Basic and Desktop
- Example of Automatic Recording With Web
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UI Elements
- About UI Elements
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- Input methods
  - Chromium API
- Example of Using Input Methods
- Output or Screen Scraping Methods
- Examples of Using Output or Screen Scraping Methods
- Generating Tables From Unstructured Data
- Relative Scraping
Selectors
- About Selectors
- UI Explorer
- Selectors With Wildcards
- Full versus partial selectors
- Dynamic Selectors
- Fuzzy Search
- RegEx Search
- Non-greedy search
- Case-sensitive selectors
Object Repository
- About Object Repository
- Creating an Object Repository
- Reusing objects and UI libraries
- Synchronize Object Repository tool
Data Scraping
- About Data Scraping
- Example of Using Data Scraping
Image and Text Automation
- About Image and Text Automation
- Mouse and Keyboard Activities
- Example of Using Mouse and Keyboard Automation
- Text Activities
- Example of Using Text Automation
- OCR Activities
- Installing OCR Languages
  - Installing an OCR Engine and Changing the Language
- Image Activities
- Example of Using OCR and Image Automation
Citrix Technologies Automation
- About Citrix technologies automation
- Configuration steps
- Example of automating a Citrix App
- Known issues and limitations
RDP Automation
- About Native RDP Automation
- Configuration Steps
- How Native RDP Automation Works
- Example of RDP Automation
- Known Issues and Limitations
VMware Horizon Automation
- About VMware Horizon Automation
- Configuration Steps
Salesforce Automation
- About Salesforce Automation
- Support for Salesforce Lightning Interface
SAP Automation
- SAP WinGUI
- SAP Fiori
- SAP WebGUI
macOS UI Automation
- About macOS UI Automation
- Configuration steps
The ScreenScrapeJavaSupport Tool
- About the ScreenScrapeJavaSupport Tool
- Argument Descriptions for the ScreenScrapeJavaSupport Tool
The WebDriver Protocol
- About the WebDriver Protocol
- Configuration Steps
- Known Issues and Limitations
Extensions
- About extensions
- SetupExtensions tool
- UiPath Remote Runtime
  - How to
    - Configure a multi-hop connection
  - Troubleshooting
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- Extension for Java
  - Installing the extension on macOS
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- Extension for Silverlight
  - Troubleshooting
- Extension for Citrix
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- Extension for Microsoft Remote Desktop and Apps
  - Troubleshooting
- Extension for VMware Horizon
- Extension for Amazon WorkSpaces
- SAP Solution Manager plugin
- Excel Add-in
Test Suite - Studio
- Introduction
- Application Testing
- Testing project templates
  - Test Automation Framework
- Test Cases
  - Working with manual test cases
- Data-Driven Testing
- RPA Testing
  - About the testCases.json file
- Execution Templates
- Test Case Templates
  - Built-in Templates
    - Local File Templates
    - Package-file Templates
- Test Explorer
- Mock Testing
- API Test Automation
Troubleshooting
- About troubleshooting
- Microsoft App-V support and limitations
- Internet Explorer X64 troubleshooting
- Microsoft Office issues
- Identifying UI elements in PDF with Accessibility options
- Repairing Active Accessibility support
- JxBrowser applications troubleshooting
  - User Events Monitoring
- Application access errors
- Validation of large Windows-legacy projects takes longer than expected

Studio User Guide

Last updated Dec 17, 2024

ST-USG-017 - Invalid parameter modifier

Rule ID: ST-USG-017

Scope: Coded workflow

Description

When the Execute() entry method contains out or ref parameters, an error is shown.

Recommendation

Avoid declaring out and ref parameters for the Execute() entry method, such as in the following example:

public void Execute(ref string location, out string country)public void Execute(ref string location, out string country)

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