XF 2 add the custom field of the threads to the rss

[est3ban129]

I want to make a telegram channel where the information of the threads of my community appears.
I need these custom fields to appear in the rss in order to process it and send it to telegram.

How much can it cost to do this?

 

[est3ban129]

I just need to add the custom fields to the xenforo RSS output, I have received some totally disproportionate proposals