# Rasa 2.1 fill slots from custom action

**URL:** <https://forum.rasa.com/t/rasa-2-1-fill-slots-from-custom-action/37278>\
**Category:** Rasa Open Source\
**Created:** [November 23, 2020, 8:53am UTC](https://forum.rasa.com/t/rasa-2-1-fill-slots-from-custom-action/37278 "2020-11-23T08:53:13Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![traube](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.rasa.com/traube/32/11965_2.png) [@traube](https://forum.rasa.com/u/traube)\
**Post date:** [November 26, 2020, 8:41am UTC](https://forum.rasa.com/t/rasa-2-1-fill-slots-from-custom-action/37278/6 "2020-11-26T08:41:59Z")

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@stephens Can I ask one more question? Do you have any idea why my action\_session\_start is not getting triggered?

> [@Action\_session\_start not getting triggered](http://forum.rasa.com/t/action-session-start-not-getting-triggered/37353):
>
> I’m trying to override action\_session\_start to fill some slots on session start. I’ve just copied this example: [ActionSessionStart](https://rasa.com/docs/rasa/default-actions) to my actions.py and just changed the fetch\_slots method. If I run rasa run actions --debug I can see, that this action is registered: 2020-11-24 17:19:19 INFO rasa\_sdk.executor - Registered function for ‘action\_session\_start’. But neither on my first message, nor on manually triggering /start\_session the action is getting triggered. It does work with other a…

Thanks

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