# Ignition

**URL:** https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=40

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**Page:** 41

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## [Perspective: onChange script vs binding graph for multiple derived properties — which approach scales better?](https://forum.inductiveautomation.com/t/perspective-onchange-script-vs-binding-graph-for-multiple-derived-properties-which-approach-scales-better/115548)

<div class="topic-metadata">

**Author:** [@hkewalramani](https://forum.inductiveautomation.com/u/hkewalramani)\
**Replies:** 1\
**Last updated:** [May 15, 2026, 1:08pm UTC](https://forum.inductiveautomation.com/t/perspective-onchange-script-vs-binding-graph-for-multiple-derived-properties-which-approach-scales-better/115548 "2026-05-15T13:08:41Z")

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I have a Perspective view that receives data as a parameter. From that single source, I need to derive several custom properties — processed data, validation results, and state flags. I'm trying to decide between two ap…

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## [Frame component (iframe)](https://forum.inductiveautomation.com/t/frame-component-iframe/115546)

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**Author:** [@sharipovmuhriddin119](https://forum.inductiveautomation.com/u/sharipovmuhriddin119)\
**Replies:** 1\
**Last updated:** [May 15, 2026, 12:39pm UTC](https://forum.inductiveautomation.com/t/frame-component-iframe/115546 "2026-05-15T12:39:30Z")

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Hello, We are facing an issue when embedding https://xxx.xx into Ignition Perspective using the Inline Frame component (iframe). Issue description: When opening the quick-login link in a normal browser tab, authenti…

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## [End Tag Historian table and start new one](https://forum.inductiveautomation.com/t/end-tag-historian-table-and-start-new-one/115491)

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**Author:** [@joshua.edwards.navy](https://forum.inductiveautomation.com/u/joshua.edwards.navy)\
**Replies:** 6\
**Last updated:** [May 15, 2026, 12:09pm UTC](https://forum.inductiveautomation.com/t/end-tag-historian-table-and-start-new-one/115491 "2026-05-15T12:09:40Z")

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I am currently planning out how to best handle separating out client data. The most obvious answer is to pay for several databases, but I was curious if there was some way to have one database and somehow have different …

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## [\[IGN-5196\]Perspective - Copy to clipboard button](https://forum.inductiveautomation.com/t/ign-5196-perspective-copy-to-clipboard-button/53285)

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**Author:** [@jakned](https://forum.inductiveautomation.com/u/jakned)\
**Replies:** 4\
**Last updated:** [May 15, 2026, 9:24am UTC](https://forum.inductiveautomation.com/t/ign-5196-perspective-copy-to-clipboard-button/53285 "2026-05-15T09:24:50Z")

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Hi, is it possible to create this functionality in Perspective (without developing custom component)? Thanks

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## [Begin transaction timeout behavior](https://forum.inductiveautomation.com/t/begin-transaction-timeout-behavior/115534)

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**Author:** [@ken.maze](https://forum.inductiveautomation.com/u/ken.maze)\
**Replies:** 1\
**Last updated:** [May 15, 2026, 4:19am UTC](https://forum.inductiveautomation.com/t/begin-transaction-timeout-behavior/115534 "2026-05-15T04:19:07Z")

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Hi, when one starts a db transaction with system.db.beginTransaction and sets a timeout, in the documentation it states: If a transaction is detected to have timed out, it will be automatically closed and its transact…

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## [How to Improve MSSQL Historian Query Performance?](https://forum.inductiveautomation.com/t/how-to-improve-mssql-historian-query-performance/106426)

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**Author:** [@r123](https://forum.inductiveautomation.com/u/r123)\
**Replies:** 36\
**Last updated:** [May 15, 2026, 12:11am UTC](https://forum.inductiveautomation.com/t/how-to-improve-mssql-historian-query-performance/106426 "2026-05-15T00:11:35Z")

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The application currently has about 8,000 tags and that number could increase significantly. Using the system.tag.queryTagHistory() function, retrieving all available samples from just the previous minute takes approxim…

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## [The role of config.idb in Ignition 8.3 and migrations from 8.1](https://forum.inductiveautomation.com/t/the-role-of-config-idb-in-ignition-8-3-and-migrations-from-8-1/115541)

<div class="topic-metadata">

**Author:** [@paul.longtine](https://forum.inductiveautomation.com/u/paul.longtine)\
**Replies:** 1\
**Last updated:** [May 15, 2026, 12:00am UTC](https://forum.inductiveautomation.com/t/the-role-of-config-idb-in-ignition-8-3-and-migrations-from-8-1/115541 "2026-05-15T00:00:34Z")

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With the introduction to text-based configuration files, what is the role of the tables within the db/config.idb database that seem to have been migrated to configuration files? Post migration, it seems like the majorit…

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## [Installing an Ignition Designer Plugin when spinning up a Docker Container](https://forum.inductiveautomation.com/t/installing-an-ignition-designer-plugin-when-spinning-up-a-docker-container/113547)

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**Author:** [@derek.delizo](https://forum.inductiveautomation.com/u/derek.delizo)\
**Replies:** 15\
**Last updated:** [May 14, 2026, 10:40pm UTC](https://forum.inductiveautomation.com/t/installing-an-ignition-designer-plugin-when-spinning-up-a-docker-container/113547 "2026-05-14T22:40:30Z")

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I am doing some work with Ignition + Docker + Kubernetes and I wanted to know if it is possible to install a plugin module when spinning up an ignition container? I want to use the Tag CICD plugin to have better source c…

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## [\[IGN-2343, IGN-8727\] "Unable to send updates to clients" error in logs](https://forum.inductiveautomation.com/t/ign-2343-ign-8727-unable-to-send-updates-to-clients-error-in-logs/49316)

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**Author:** [@rbachman](https://forum.inductiveautomation.com/u/rbachman)\
**Replies:** 44\
**Last updated:** [May 14, 2026, 10:17pm UTC](https://forum.inductiveautomation.com/t/ign-2343-ign-8727-unable-to-send-updates-to-clients-error-in-logs/49316 "2026-05-14T22:17:13Z")

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We have errors over and over again in our logs for "unable to send updates to clients." We see several errors per second. The errors indicate that it is with a Perspective session, but I think that it might actually be r…

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## [Troubleshooting OPC UA documents not being translated from binary to structure](https://forum.inductiveautomation.com/t/troubleshooting-opc-ua-documents-not-being-translated-from-binary-to-structure/115539)

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**Author:** [@alke](https://forum.inductiveautomation.com/u/alke)\
**Replies:** 3\
**Last updated:** [May 14, 2026, 9:28pm UTC](https://forum.inductiveautomation.com/t/troubleshooting-opc-ua-documents-not-being-translated-from-binary-to-structure/115539 "2026-05-14T21:28:28Z")

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I have a project using TwinCat 3 to ignition. Ultimately we need to get some data from an array of structures to a dataset, which lead me to finding that in modern OPC should be able to read those custom datatypes and th…

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## [Everything changed on one Screen](https://forum.inductiveautomation.com/t/everything-changed-on-one-screen/115528)

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**Author:** [@jack.hammons](https://forum.inductiveautomation.com/u/jack.hammons)\
**Replies:** 8\
**Last updated:** [May 14, 2026, 9:26pm UTC](https://forum.inductiveautomation.com/t/everything-changed-on-one-screen/115528 "2026-05-14T21:26:59Z")

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I went home for the day and the next morning the screens/views I was working on all changed, user permission wasn't working and none of the text in my views was in the right location, also when I place a button its usual…

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## [Menu Tree - Change actual navigation view](https://forum.inductiveautomation.com/t/menu-tree-change-actual-navigation-view/101118)

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**Author:** [@Aiasa21](https://forum.inductiveautomation.com/u/Aiasa21)\
**Replies:** 11\
**Last updated:** [May 14, 2026, 8:43pm UTC](https://forum.inductiveautomation.com/t/menu-tree-change-actual-navigation-view/101118 "2026-05-14T20:43:26Z")

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Hello, I wonder if should be possible to change the "actual" navigation of a menu tree in Perspective via script. For example when I click a button I would like to open the menu tree in a sub-item view.

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## [New Core Certification seems designed to make you fail](https://forum.inductiveautomation.com/t/new-core-certification-seems-designed-to-make-you-fail/108216)

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**Author:** [@Fumbles91](https://forum.inductiveautomation.com/u/Fumbles91)\
**Replies:** 4\
**Last updated:** [May 14, 2026, 7:22pm UTC](https://forum.inductiveautomation.com/t/new-core-certification-seems-designed-to-make-you-fail/108216 "2026-05-14T19:22:51Z")

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Please take this in the constructive spirit that it is intended, and please understand that I am fully aware this may just be a result of my own ineptitude, but I have thus far completed about 70% of the new-ish Core Cer…

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## [Alarm Journal Table Not Populating](https://forum.inductiveautomation.com/t/alarm-journal-table-not-populating/115418)

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**Author:** [@adam.wolfe](https://forum.inductiveautomation.com/u/adam.wolfe)\
**Replies:** 3\
**Last updated:** [May 14, 2026, 6:01pm UTC](https://forum.inductiveautomation.com/t/alarm-journal-table-not-populating/115418 "2026-05-14T18:01:34Z")

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Hello All, I am having an issue getting the alarm journal to populate with results from a database. I have the name of the journal table set to the same name as the alarm journal to query from. I have verified that the …

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## [Vision Sparkline trend Disable](https://forum.inductiveautomation.com/t/vision-sparkline-trend-disable/113260)

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**Author:** [@kcarter8](https://forum.inductiveautomation.com/u/kcarter8)\
**Replies:** 2\
**Last updated:** [May 14, 2026, 4:08pm UTC](https://forum.inductiveautomation.com/t/vision-sparkline-trend-disable/113260 "2026-05-14T16:08:22Z")

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Is there any way of setting the Vision Sparkline to disabled, i want to make a Sparkline on a template that passes a indirect tag path for the taghistory but only want it to run if the template is visible or if the tag i…

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## [Updated 8.3 Voice Notification Module for download (Fix for module startup issue)](https://forum.inductiveautomation.com/t/updated-8-3-voice-notification-module-for-download-fix-for-module-startup-issue/115390)

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**Author:** [@James.Lorenz](https://forum.inductiveautomation.com/u/James.Lorenz)\
**Replies:** 5\
**Last updated:** [May 14, 2026, 3:57pm UTC](https://forum.inductiveautomation.com/t/updated-8-3-voice-notification-module-for-download-fix-for-module-startup-issue/115390 "2026-05-14T15:57:27Z")

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As of May 2nd, 2026, the license associated with the Voice Notification module on 8.3 expired, causing the module to fault upon startup. For those with gateways that have been running since before the expiration date, t…

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## [Perspective table auto size in flex](https://forum.inductiveautomation.com/t/perspective-table-auto-size-in-flex/39781)

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**Author:** [@jlandwerlen](https://forum.inductiveautomation.com/u/jlandwerlen)\
**Replies:** 5\
**Last updated:** [May 14, 2026, 1:41pm UTC](https://forum.inductiveautomation.com/t/perspective-table-auto-size-in-flex/39781 "2026-05-14T13:41:25Z")

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Perspective 8.0.16 I have a flex view and several flex containers inside that view (rows). What I would like is to have a table (in one of the flex containers) automatically grow and shrink. I want them to grow to the…

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## [Siemens Enhanced Driver CPU 1515F-2PN SYMBOLIC vs ABSOLUTE instability](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-cpu-1515f-2pn-symbolic-vs-absolute-instability/115503)

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**Author:** [@milton.stathakis](https://forum.inductiveautomation.com/u/milton.stathakis)\
**Replies:** 5\
**Last updated:** [May 14, 2026, 7:42am UTC](https://forum.inductiveautomation.com/t/siemens-enhanced-driver-cpu-1515f-2pn-symbolic-vs-absolute-instability/115503 "2026-05-14T07:42:17Z")

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Hi everyone, I am currently on Gateway version 8.3.6 Stable and Siemens Enhanced Driver 1.3.6. My connection with a CPU 1515F-2PN was working completely fine with Symbolic addressing until yesterday. Now the connection …

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## [Power Table Row Select via mouse click](https://forum.inductiveautomation.com/t/power-table-row-select-via-mouse-click/115522)

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**Author:** [@mdemaris](https://forum.inductiveautomation.com/u/mdemaris)\
**Replies:** 3\
**Last updated:** [May 13, 2026, 10:10pm UTC](https://forum.inductiveautomation.com/t/power-table-row-select-via-mouse-click/115522 "2026-05-13T22:10:41Z")

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How would I get a cell value from the Power Table on a row selection using a mouse? I tried the mouseClicked event, but it fires after I click the row, then click on an empty section of the Power Table. So, now I am tr…

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## [Multi-Instance Wizard increment Parameters in center](https://forum.inductiveautomation.com/t/multi-instance-wizard-increment-parameters-in-center/115521)

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**Author:** [@alke](https://forum.inductiveautomation.com/u/alke)\
**Replies:** 0\
**Last updated:** [May 13, 2026, 7:43pm UTC](https://forum.inductiveautomation.com/t/multi-instance-wizard-increment-parameters-in-center/115521 "2026-05-13T19:43:58Z")

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Searching for this, I see that the multi-instance wizard has recently had some major improvements, but couldn't find anything for my use case. I have an array of tags in the PLC that show up to the OPC browser as Tag\[0\],…

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## [Scalar query returns unicode when it should be a float](https://forum.inductiveautomation.com/t/scalar-query-returns-unicode-when-it-should-be-a-float/115513)

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**Author:** [@bwhite](https://forum.inductiveautomation.com/u/bwhite)\
**Replies:** 6\
**Last updated:** [May 13, 2026, 5:09pm UTC](https://forum.inductiveautomation.com/t/scalar-query-returns-unicode-when-it-should-be-a-float/115513 "2026-05-13T17:09:37Z")

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I have a scalar named query that does a calculation on two values in a table and returns the answer. When the operator does not enter the values for that day, the query should return the fallback value of 0. However, i…

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## [How to prevent others from copying my Advanced Stylesheet and component designs?](https://forum.inductiveautomation.com/t/how-to-prevent-others-from-copying-my-advanced-stylesheet-and-component-designs/115508)

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**Author:** [@tejas200010](https://forum.inductiveautomation.com/u/tejas200010)\
**Replies:** 4\
**Last updated:** [May 13, 2026, 5:04pm UTC](https://forum.inductiveautomation.com/t/how-to-prevent-others-from-copying-my-advanced-stylesheet-and-component-designs/115508 "2026-05-13T17:04:44Z")

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Hi all, I am a system integrator. I delivered an Ignition Perspective project to my customer, and now the customer has informed us that they will be sharing the project backup with another vendor. The other vendor can …

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## [Checking for PyDocumentObjectAdapter](https://forum.inductiveautomation.com/t/checking-for-pydocumentobjectadapter/115499)

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**Author:** [@drewdin](https://forum.inductiveautomation.com/u/drewdin)\
**Replies:** 15\
**Last updated:** [May 13, 2026, 4:48pm UTC](https://forum.inductiveautomation.com/t/checking-for-pydocumentobjectadapter/115499 "2026-05-13T16:48:54Z")

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I have a gateway script that is triggered by two different tags, one boolean and one document tag. When the document tag is empty {}, I want to skip the functions. But the value I'm being returned is the PyDocumentObjec…

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## [\[IGN-16242\]system.util.queryStatus doesn't return AlarmQueryResult](https://forum.inductiveautomation.com/t/ign-16242-system-util-querystatus-doesnt-return-alarmqueryresult/112798)

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**Author:** [@bghunt](https://forum.inductiveautomation.com/u/bghunt)\
**Replies:** 11\
**Last updated:** [May 13, 2026, 4:29pm UTC](https://forum.inductiveautomation.com/t/ign-16242-system-util-querystatus-doesnt-return-alarmqueryresult/112798 "2026-05-13T16:29:57Z")

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From the docs we're told that system.util.queryStatus() returns AlarmQueryResult see here When I run it in the design console I get this: #Pull all alarms alarms = system.alarm.queryStatus(state=\["ActiveUnacked", "Acti…

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## [Report data source script access to element of another data source](https://forum.inductiveautomation.com/t/report-data-source-script-access-to-element-of-another-data-source/115507)

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**Author:** [@Transistor](https://forum.inductiveautomation.com/u/Transistor)\
**Replies:** 6\
**Last updated:** [May 13, 2026, 2:51pm UTC](https://forum.inductiveautomation.com/t/report-data-source-script-access-to-element-of-another-data-source/115507 "2026-05-13T14:51:31Z")

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My report has a query data source of the form, SELECT TOP 1 VALUE FROM my\_table WHERE orderNum = ? On the report Design tab it shows up in the Data Sources: I want to script a derived value. How do I access InnerL…

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## [Migrate history database from MySQL to PostgreSQL with timescaleDB extention](https://forum.inductiveautomation.com/t/migrate-history-database-from-mysql-to-postgresql-with-timescaledb-extention/115510)

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**Author:** [@olefredrik.kvalnes](https://forum.inductiveautomation.com/u/olefredrik.kvalnes)\
**Replies:** 0\
**Last updated:** [May 13, 2026, 1:24pm UTC](https://forum.inductiveautomation.com/t/migrate-history-database-from-mysql-to-postgresql-with-timescaledb-extention/115510 "2026-05-13T13:24:27Z")

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Hello everyone, I’m working on a project where we originally used MySQL 8.4 as the history database on the same host as Ignition. However, after some changes in scope, the customer now wants to move the history storage …

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## [Cirrus Link MQTT engine compatible with Ignition Edge Panel?](https://forum.inductiveautomation.com/t/cirrus-link-mqtt-engine-compatible-with-ignition-edge-panel/114717)

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**Author:** [@Some\_Guy](https://forum.inductiveautomation.com/u/Some_Guy)\
**Replies:** 12\
**Last updated:** [May 13, 2026, 12:27pm UTC](https://forum.inductiveautomation.com/t/cirrus-link-mqtt-engine-compatible-with-ignition-edge-panel/114717 "2026-05-13T12:27:05Z")

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Is the Cirrus Link MQTT engine module compatible with Ignition Edge Panel? Ignition Edge | Ignition User Manual says that Ignition Edge can only use one tag provider.

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## [Whats best practice for multiple connections to the same database](https://forum.inductiveautomation.com/t/whats-best-practice-for-multiple-connections-to-the-same-database/115498)

<div class="topic-metadata">

**Author:** [@drewdin](https://forum.inductiveautomation.com/u/drewdin)\
**Replies:** 4\
**Last updated:** [May 13, 2026, 12:05pm UTC](https://forum.inductiveautomation.com/t/whats-best-practice-for-multiple-connections-to-the-same-database/115498 "2026-05-13T12:05:51Z")

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One of our sites is running 8.1.44, has one database and a multiple connections to that database. One connection per project for a total of about 30+ ish. Going back to my 7.7 days, I recall this being an issue with the…

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## [Sparkline Dynamic Tag History Expression Binding](https://forum.inductiveautomation.com/t/sparkline-dynamic-tag-history-expression-binding/44008)

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**Author:** [@Ali.Etezadkhah](https://forum.inductiveautomation.com/u/Ali.Etezadkhah)\
**Replies:** 14\
**Last updated:** [May 13, 2026, 11:44am UTC](https://forum.inductiveautomation.com/t/sparkline-dynamic-tag-history-expression-binding/44008 "2026-05-13T11:44:32Z")

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Hi, I would like to use a sparkline display along with my transmitter value in Perspective. My goal is to provide a tag path to the view that contains the transmitter and sparkline to make them interactive. The transm…

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## [How should I read from a tag in perspective?](https://forum.inductiveautomation.com/t/how-should-i-read-from-a-tag-in-perspective/115505)

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**Author:** [@danielps1818](https://forum.inductiveautomation.com/u/danielps1818)\
**Replies:** 1\
**Last updated:** [May 13, 2026, 11:19am UTC](https://forum.inductiveautomation.com/t/how-should-i-read-from-a-tag-in-perspective/115505 "2026-05-13T11:19:55Z")

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I have a view with an input param called path. For that view I need to display the path with a property that is inside the path. Let me give an example: If path is \[default\]folder1/folder2/folder3 The property that I…

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