Execute Macro with input boxes

Hi, I’m trying to execute an excel macro where actions has to be done such as: input your name and determine which file has to be used. How can I add these info to the execute macro? For instance I tried to add the name in the parameter but I get the following error then: System.Reflection.TargetParameterCountException: Number of parameters specified does not match the expected number.

Haven’t been able to figure it out through the available posts upon execute macro’s and videos.

Hope someone can trouble shoot!

the flow:

the input box within the macro:

the folder where I want to choose a csv file from: