If you're referring to the "International Association of Genocide Scholars" (IAGS), all it takes to join that organization is $30 and self identifying as a genocide scholar. Furthermore the resolution was passed with a total of 129 voting members, and about 107 voting in favor, out of over 500 total members.

Here's a letter from 514 verified scholars and legal experts calling on IAGS to retract their resolution, along with their rebuttal of the substance of the resolution:

https://www.scholarsfortruthaboutgenocide.com/

> If you're referring to the "International Association of Genocide Scholars" (IAGS), all it takes to join that organization is $30 and self identifying as a genocide scholar.

They have certainly had some interesting members[0].

[0] https://archive.ph/J52WH