This post explains the method of creating a basic custom activity which can be used in UiPath RPA tool.
We will consider an example to create an activity named as Sum which can take 2 input numbers and provide the output as another variable.
Steps Involved are:
1. Create Class Lib in Visual Studio
2. Create NuGet Package in Nuget Package Explorer
3. Configure Package for New Custom Activity in UiPath Studio (Manage Packages)
4. Use New Custom Activity in Workflow
A + B = C A – Input B – Input C- output
Detailed Explanation available in the video below:

Sudheer Nimmagadda is a Automation Developer based out of Bangalore, India. He has over 8 years of software industry experience in various roles including Software Module Lead, SSIS Developer, Dot Net Programmer, and Automation Lead. Sudheer was completed certifications like UiPath Foundational , Orchistrator, SAP Automation and he participated in UiPath Power Up Automation Program in UiPath Headquarters Banglore , India .
Sudheer is an industry acknowledged expert in the technologies like UiPath, C#, VBScript, VBA, VB.Net, MVC, ASP.NET, SQL Server and Web Tools like HTML, JavaScript, JQuery, Angular JS, Sudheer is vastly experienced in team management, mentoring teams, and directing all stages of software development.