# ExternalWorkerJob - acquire and lock by id

**URL:** <https://forum.flowable.org/t/externalworkerjob-acquire-and-lock-by-id/8433>\
**Category:** Flowable Engine\
**Created:** [September 20, 2021, 5:57pm UTC](https://forum.flowable.org/t/externalworkerjob-acquire-and-lock-by-id/8433 "2021-09-20T17:57:00Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![maratkalibek](https://yyz1.discourse-cdn.com/flex035/user_avatar/forum.flowable.org/maratkalibek/32/1602_2.png) [@maratkalibek](https://forum.flowable.org/u/maratkalibek)\
**Post date:** [September 20, 2021, 5:57pm UTC](https://forum.flowable.org/t/externalworkerjob-acquire-and-lock-by-id/8433/1 "2021-09-20T17:57:00Z")

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For now, there is no Java API to acquire and lock a specific single external worker job by id.

1. What can be the best way to implement such functionality?
2. To flowable developers. Do you have such task on your backlog?

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**Author:** ![filiphr](https://yyz1.discourse-cdn.com/flex035/user_avatar/forum.flowable.org/filiphr/32/315_2.png) [@filiphr](https://forum.flowable.org/u/filiphr)\
**Post date:** [September 21, 2021, 12:04pm UTC](https://forum.flowable.org/t/externalworkerjob-acquire-and-lock-by-id/8433/2 "2021-09-21T12:04:34Z")

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Hey @maratkalibek,

Currently this functionality is not exposed in our API. We are open to providing such a functionality if someone from the community steps up and does the implementation. Are you interested in contributing this functionality?

Cheers,  
Filip

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**Author:** ![maratkalibek](https://yyz1.discourse-cdn.com/flex035/user_avatar/forum.flowable.org/maratkalibek/32/1602_2.png) [@maratkalibek](https://forum.flowable.org/u/maratkalibek)\
**Post date:** [September 21, 2021, 12:42pm UTC](https://forum.flowable.org/t/externalworkerjob-acquire-and-lock-by-id/8433/3 "2021-09-21T12:42:49Z")

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Yes, I need that functionality.

I’m on it.