Adding custom .net assembly to UIPath

October 13, 2016 10:39 NONE

I followed both your tutorials to create and import custom .net packages into UIPath, but I cannot make it work.


Simple project compiled in release, having a method called “Greet” for testing purposes, and implementing the “Register” method from IRegisterMetadata as requested.

Created nuget package through Nuget package explorer successfully (Id called “ExternalAssemblyActivities”).

Added package to default folder, when opening UIPath, it detects the assembly to be installed. I do so and it does not seem to get any error:

The problem is that, I don’t know how to reference my recently added assembly, both via components in the Activities Panel (cannot find any element related to my added component) or through any kind of code statement inside the already existing controls. The tutorials don’t bring any further information.

Could you help me out, please? thanks in advance.

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Gerardo October 13, 2016 12:24
Never mind, I already found the answer.

I was missing out the namespace import at the “imported namespaces” window.

Thank you!

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I would like to use my .net assembly on my uipath project will you able to help me or do you have any reference site where I can read it and implement it?

Thanks in advance…

Hi @Boobathi,

Please check the below links :


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what if you dont know the namespace of the package you had installed