# What does Addparameter first parameter?

**URL:** <https://discourse.mcneel.com/t/what-does-addparameter-first-parameter/2974>\
**Category:** Scripting\
**Created:** [October 10, 2013, 2:36pm UTC](https://discourse.mcneel.com/t/what-does-addparameter-first-parameter/2974 "2013-10-10T14:36:21Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Kaveh\_Allahdin](https://avatars.discourse-cdn.com/v4/letter/k/ed655f/32.png) [@Kaveh\_Allahdin](https://discourse.mcneel.com/u/Kaveh_Allahdin)\
**Post date:** [November 6, 2013, 7:07pm UTC](https://discourse.mcneel.com/t/what-does-addparameter-first-parameter/2974/7 "2013-11-06T19:07:30Z")

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Dear Guilio  
I solved that problem.Now I can not load my component on GH.I explained in this post.

> **[Custom component does not load on Grasshopper tab.](https://www.grasshopper3d.com/forum/topics/custom-component-does-not-load-on-grasshopper-tab?xg_source=activity)**
>
> Hi all,
> I did write a complete(ata least I think so) code for a component which reads data from csv file and assign it to a custom type variable. In VS there i…

  
I 've posted files needed there also.I debugged it,but actually nothing happens.it is so silent with no error I can not find my mistake .may be you can have a look and help  
Thanks,  
Kaveh

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