# MQTT Client Topic-Trigger?

**URL:** <https://community.homey.app/t/mqtt-client-topic-trigger/46284>\
**Category:** Apps (DE)\
**Created:** [April 15, 2021, 4:19pm UTC](https://community.homey.app/t/mqtt-client-topic-trigger/46284 "2021-04-15T16:19:27Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![HarriedeGroot](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/harriedegroot/32/56160_2.png) [@HarriedeGroot](https://community.homey.app/u/HarriedeGroot)\
**Post date:** [April 18, 2021, 6:09pm UTC](https://community.homey.app/t/mqtt-client-topic-trigger/46284/21 "2021-04-18T18:09:33Z")

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In the current stable version of the MQTT Client all topic subscriptions from the API (that’s external apps like the Hub) are lost if the broker connection is lost. On reconnect only flow trigger topics were re-subscribed. This is solved in the test version. Now all previous topic subscriptions are reconnected, including the subscriptions from the API.

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**Author:** ![RonnyW](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/ronnyw/32/10879_2.png) [@RonnyW](https://community.homey.app/u/RonnyW)\
**Post date:** [April 18, 2021, 6:11pm UTC](https://community.homey.app/t/mqtt-client-topic-trigger/46284/22 "2021-04-18T18:11:28Z")

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Thanks! I will observe it the next days.

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