# Api20100401UserDefinedMessageSubscription



## Operations
- [Subscribe to User Defined Messages for a given Call SID.](https://twilio.demo.bump-doc.com/doc/api/operation/operation-createuserdefinedmessagesubscription.md)
- [Delete a specific User Defined Message Subscription.](https://twilio.demo.bump-doc.com/doc/api/operation/operation-deleteuserdefinedmessagesubscription.md)

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