# EPL Measurement object

**URL:** <https://community.cumulocity.com/t/epl-measurement-object/922>\
**Category:** Forum\
**Tags:** Streaming-Analytics-Apama, cumulocity\
**Created:** [January 18, 2024, 12:50pm UTC](https://community.cumulocity.com/t/epl-measurement-object/922 "2024-01-18T12:50:52Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![gabriele.chiossi](https://avatars.discourse-cdn.com/v4/letter/g/7ea924/32.png) [@gabriele.chiossi](https://community.cumulocity.com/u/gabriele.chiossi)\
**Post date:** [January 18, 2024, 12:50pm UTC](https://community.cumulocity.com/t/epl-measurement-object/922/1 "2024-01-18T12:50:52Z")

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How often is an all Measurement executed if the value remains the same and does not change?

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**Author:** ![Nicholas\_Adams](https://avatars.discourse-cdn.com/v4/letter/n/bbce88/32.png) [@Nicholas\_Adams](https://community.cumulocity.com/u/Nicholas_Adams)\
**Post date:** [January 18, 2024, 2:33pm UTC](https://community.cumulocity.com/t/epl-measurement-object/922/2 "2024-01-18T14:33:24Z")

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The on all Measurement() listener will fire for every measurement event that is taken off the input queue (for whichever channels the monitor is subscribed to). It won’t matter if the values are the same: indeed it’s quite possible that you;d want to be checking that values are static.

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**Author:** ![system](https://dub1.discourse-cdn.com/flex005/user_avatar/community.cumulocity.com/system/32/31990_2.png) [@system](https://community.cumulocity.com/u/system)\
**Post date:** [July 16, 2024, 2:33pm UTC](https://community.cumulocity.com/t/epl-measurement-object/922/3 "2024-07-16T14:33:26Z")

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Closed on July 16, 2024, 2:33pm UTC

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