# Fallback Action into a custom action

**URL:** <https://forum.rasa.com/t/fallback-action-into-a-custom-action/61572>\
**Category:** Rasa Open Source\
**Created:** [April 8, 2024, 10:30am UTC](https://forum.rasa.com/t/fallback-action-into-a-custom-action/61572 "2024-04-08T10:30:07Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Amudhesh-KT](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.rasa.com/amudhesh-kt/32/24095_2.png) [@Amudhesh-KT](https://forum.rasa.com/u/Amudhesh-KT)\
**Post date:** [April 8, 2024, 10:30am UTC](https://forum.rasa.com/t/fallback-action-into-a-custom-action/61572/1 "2024-04-08T10:30:08Z")

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Hii there mates,

I am currently working with RASA Open Source with rasa version: “3.1” and creating a chatbot for my project works. I am unable to implement fallback action to my chatbot. Could someone help me in implementing fallback action as a custom defined action for any of the intents that I have not mentioned in the NLU data?

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**Author:** ![pranali05-ai](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.rasa.com/pranali05-ai/32/22755_2.png) [@pranali05-ai](https://forum.rasa.com/u/pranali05-ai)\
**Post date:** [April 12, 2024, 6:06am UTC](https://forum.rasa.com/t/fallback-action-into-a-custom-action/61572/2 "2024-04-12T06:06:49Z")

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Instead of defining fallback actions via custom action, you can use rules as well. If interested in rule-based approach below is the process:- Create out\_of\_scope intent in nlu and give some examples which are completely different from your use case and then define utter\_out\_of\_scope reply in domain. Now simply just add a rule for handling out of scope questions:-

- rule: out-of-scope