Hello @Chadi Bennaji !
Thank you for your Question
I understand you are having an issue where your Code disappears from Function Apps.
It is a common issue and an indicator that you probably need to eploy the Function from an IDE liek VSCode The Function Apps are most efficient and controllable with a VSCode deployment
Kindly let us know your framework and the deployment details
Also i suggest to try with VSCode deployement :
Links:
https://cloudblogger.eu/2024/02/12/azure-ai-language-sentiment-analysis-with-durable-functions/
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I hope this helps!
Kindly mark the answer as Accepted and Upvote in case it helped!
Regards