# Session.contains with gatling 1.5.2

**URL:** <https://community.gatling.io/t/session-contains-with-gatling-1-5-2/619>\
**Category:** Gatling (Open-Source)\
**Created:** [October 15, 2013, 8:35pm UTC](https://community.gatling.io/t/session-contains-with-gatling-1-5-2/619 "2013-10-15T20:35:40Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Excilys](https://avatars.discourse-cdn.com/v4/letter/e/8797f3/32.png) [@Excilys](https://community.gatling.io/u/Excilys)\
**Post date:** [October 15, 2013, 8:35pm UTC](https://community.gatling.io/t/session-contains-with-gatling-1-5-2/619/1 "2013-10-15T20:35:40Z")

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In Gatling 1, the method you’re looking for is isAttributeDefined: [https://github.com/excilys/gatling/wiki/Session#wiki-members](https://github.com/excilys/gatling/wiki/Session#wiki-members)  
It has been renamed into contains in Gatling 2.