Thank you @jithins and @zehaan for your help. 1. I can confirm its related to content maybe breaking json. I removed perplexity output content variables and added one sentence as result. I can hear vapi voice agent read "Ok, done". Its my setting when tool Request is Completed (Message shown when the tool completes successfully.) But it doesnt read my one sentence set as result. Not perfect but i think its interesting. 2. I removed my one sentence result and placed "transform to json" module before sending his output to vapi, bad result again. Voice agent saying "no result to read" as it did in the past 😢 You can check screenshot. Thanks to all https://cdn.discordapp.com/attachments/1249779895761109022/1332394169532153867/chrome-capture-2025-1-24.png?ex=67951844&is=6793c6c4&hm=1caafb2b2e9434b6f260dfc8411842e838e007868b332a30ee0ad92d4e88c7f3&