# Getting Started with CVBpy

**URL:** <https://forum.commonvisionblox.com/t/getting-started-with-cvbpy/241>\
**Category:** Python API\
**Created:** [September 26, 2017, 7:42am UTC](https://forum.commonvisionblox.com/t/getting-started-with-cvbpy/241 "2017-09-26T07:42:41Z")\
**Posts on this page:** 1\
**Showing post:** 22

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**Author:** ![Sebastian](https://yyz1.discourse-cdn.com/flex027/user_avatar/forum.commonvisionblox.com/sebastian/32/1267_2.png) [@Sebastian](https://forum.commonvisionblox.com/u/Sebastian)\
**Post date:** [September 6, 2022, 7:27am UTC](https://forum.commonvisionblox.com/t/getting-started-with-cvbpy/241/22 "2022-09-06T07:27:36Z")

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@Fatemeh  
The Discovery Interface does not use or have ports. You open the camera you want with the access token which is available after your discover.

To set the CVB color format (“PixelFormat”) or number of buffers (“NumBuffer”) you need to set the parameters in the token before opening the device:

```auto
token.SetParameter("PixelFormat", "2")
token.SetParameter("NumBuffer", "30")

```

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