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What are Extension Entities?

 What are Extension Entities?

2026-05-21 04-48-12
Deepa Tiwari
Solution

Hi @VIVEK KUMAR YADAV ,

Find the information below-

https://success.outsystems.com/documentation/11/integration_with_external_systems/extend_logic_with_your_own_code/managing_extensions/

 Extension entities allow you to use database tables that exist outside OutSystems.

2026-07-23 14-34-51
Nuno Reis
 
MVP

Hello Vivek.

Speaking as a moderator, please don't treat the forum as Google. There are humans on the other side, you know.

You could just google it or ask AI. Extension Entities have been around for long.

In the forum you could ask Neo, the AI Assistant and, if that is good, mark as Solution and let people know that you got your answer.

If asking people, give more context. Explain why you want to know, what problem you want to solve... Let them be useful to you as developers.

https://success.outsystems.com/documentation/11/integration_with_external_systems/extend_logic_with_your_own_code/managing_extensions/define_extension_entities/

 

2025-12-29 06-17-15
Deepak Raj M

Hi @VIVEK KUMAR YADAV

In OutSystems, Extension Entities are entities defined in an Extension using Integration Studio. They represent database tables that exist outside OutSystems and that you want an OutSystems application to access.


Extension Entity = an entity defined through Integration Studio to represent and access a database table outside OutSystems.

https://success.outsystems.com/documentation/11/integration_with_external_systems/extend_logic_with_your_own_code/managing_extensions/define_extension_entities/

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