# Historian and Sparkplug-B

**URL:** <https://forum.inductiveautomation.com/t/historian-and-sparkplug-b/28709>\
**Category:** Ignition\
**Created:** [October 1, 2019, 5:19pm UTC](https://forum.inductiveautomation.com/t/historian-and-sparkplug-b/28709 "2019-10-01T17:19:37Z")\
**Posts on this page:** 1\
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**Author:** ![wes0johnson](https://avatars.discourse-cdn.com/v4/letter/w/7ab992/32.png) [@wes0johnson](https://forum.inductiveautomation.com/u/wes0johnson)\
**Post date:** [October 2, 2019, 11:15pm UTC](https://forum.inductiveautomation.com/t/historian-and-sparkplug-b/28709/5 "2019-10-02T23:15:16Z")

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On the Transmission Transmitter config, there is a ‘In-Order History’ boolean. Change this to true. On the MQTT Engine side under the general tab, there is a ‘Store Historical Events’ boolean. Change this to false. This will use the alternate configuration that will trigger tag change scripts, alarms, transaction groups, etc on the MQTT Engine side. Keep in mind there are only two valid configurations for these parameters. Those are the default settings and those outlined here. Any other combination doesn’t make sense.

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