# Proposal: Catalyst V2 Bidirectional API

**URL:** https://discourse.paraview.org/t/proposal-catalyst-v2-bidirectional-api/7258
**Category:** Development
**Tags:** proposal
**Created:** [May 20, 2021, 12:09pm UTC](https://discourse.paraview.org/t/proposal-catalyst-v2-bidirectional-api/7258 "2021-05-20T12:09:54Z")
**Posts on this page:** 1
**Showing post:** 4

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### Author: ![utkarsh.ayachit](https://discourse.paraview.org/user_avatar/discourse.paraview.org/utkarsh.ayachit/32/39_2.png) [@utkarsh.ayachit](https://discourse.paraview.org/u/utkarsh.ayachit)
#### Post date: [May 20, 2021, 4:37pm UTC](https://discourse.paraview.org/t/proposal-catalyst-v2-bidirectional-api/7258/4 "2021-05-20T16:37:53Z")

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Okay, maybe it’s worth starting a separate thread to discuss the naming convention and focus on the bi-direction API discussion in this post.

thread started [here](https://discourse.paraview.org/t/disambiguating-catalyst-api-version-2-0-and-catalyst-python-script-version-2-0/7266)

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