# Ignition

**URL:** https://forum.inductiveautomation.com/c/ignition/6.md?page=1232

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**Page:** 1233

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## [Memory Tags Clear on Reboot](https://forum.inductiveautomation.com/t/memory-tags-clear-on-reboot/30419)

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**Author:** [@wci.jgiese](https://forum.inductiveautomation.com/u/wci.jgiese)\
**Replies:** 5\
**Last updated:** [December 4, 2019, 4:15pm UTC](https://forum.inductiveautomation.com/t/memory-tags-clear-on-reboot/30419 "2019-12-04T16:15:41Z")

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We are experiencing an issue where when the ignition server is rebooted (for updates or what have you) the memory tags are emptied. Is this a normal behavior and we need to come up with an alternate path to what we are t…

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## [Getting multiple login pages for a client launch](https://forum.inductiveautomation.com/t/getting-multiple-login-pages-for-a-client-launch/30437)

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**Author:** [@lrhyrne](https://forum.inductiveautomation.com/u/lrhyrne)\
**Replies:** 0\
**Last updated:** [December 4, 2019, 2:33pm UTC](https://forum.inductiveautomation.com/t/getting-multiple-login-pages-for-a-client-launch/30437 "2019-12-04T14:33:17Z")

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Using Ignition 7.9.12, when I launch a client from the designer or from the Client Launcher. I get what looks like the designer login page followed by the defined Startup Window, Both have credentials processing but it…

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## [Summarize historian tables](https://forum.inductiveautomation.com/t/summarize-historian-tables/30429)

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**Author:** [@rdelasheras](https://forum.inductiveautomation.com/u/rdelasheras)\
**Replies:** 2\
**Last updated:** [December 4, 2019, 2:29pm UTC](https://forum.inductiveautomation.com/t/summarize-historian-tables/30429 "2019-12-04T14:29:31Z")

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Hello. I have a project with 28000 tags saving values to historian each second. There is a table by day, with a size of 30-40GB each one, in PostgreSQL. Tables for days older than 6 months, is not needed to continue st…

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## [Ignition expression and scripting functions](https://forum.inductiveautomation.com/t/ignition-expression-and-scripting-functions/30385)

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**Author:** [@epifanio.tigno](https://forum.inductiveautomation.com/u/epifanio.tigno)\
**Replies:** 4\
**Last updated:** [December 4, 2019, 6:34am UTC](https://forum.inductiveautomation.com/t/ignition-expression-and-scripting-functions/30385 "2019-12-04T06:34:34Z")

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Hello, Can i use the expression functions to a button in scripting? for example i have a dataset that contains item code,i have to lookup to that dataset to see if there are same item codes and should pop up a message …

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## [Cognex OPC Server - OPC driver set up](https://forum.inductiveautomation.com/t/cognex-opc-server-opc-driver-set-up/30424)

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**Author:** [@alicialomas](https://forum.inductiveautomation.com/u/alicialomas)\
**Replies:** 0\
**Last updated:** [December 4, 2019, 3:28am UTC](https://forum.inductiveautomation.com/t/cognex-opc-server-opc-driver-set-up/30424 "2019-12-04T03:28:54Z")

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Has anyone set up an OPC-UA connection to connect to a Cognex OPC server? Cognex documentation is limited and doesn’t give me enough information about ports to get this working. I obviously tried the default that Ignit…

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## [\[Feedback\] Help shape the future of Ignition](https://forum.inductiveautomation.com/t/feedback-help-shape-the-future-of-ignition/30420)

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**Author:** [@ray](https://forum.inductiveautomation.com/u/ray)\
**Replies:** 0\
**Last updated:** [December 3, 2019, 10:04pm UTC](https://forum.inductiveautomation.com/t/feedback-help-shape-the-future-of-ignition/30420 "2019-12-03T22:04:53Z")

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:wave: Hello! We’re looking to expand our pool of usability feedback testers! We occasionally reach out to this group via email with links to interactive design prototypes or feature surveys. If you haven’t already, ple…

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## [ControlLogix Device Connection toggling between "Connecting" & "Idle"](https://forum.inductiveautomation.com/t/controllogix-device-connection-toggling-between-connecting-idle/30417)

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**Author:** [@Kyle.deKock](https://forum.inductiveautomation.com/u/Kyle.deKock)\
**Replies:** 3\
**Last updated:** [December 3, 2019, 9:28pm UTC](https://forum.inductiveautomation.com/t/controllogix-device-connection-toggling-between-connecting-idle/30417 "2019-12-03T21:28:58Z")

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I have an ControlLogix 5580 (L83E) controller that is connected to the plant network through an EN2T module. The EN2T is in slot 0 and the controller is in slot 3. When I set up the controller as an OPC-UA device using t…

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## [Hiding or showing different components based on breakpoint?](https://forum.inductiveautomation.com/t/hiding-or-showing-different-components-based-on-breakpoint/30416)

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**Author:** [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\
**Replies:** 4\
**Last updated:** [December 3, 2019, 9:02pm UTC](https://forum.inductiveautomation.com/t/hiding-or-showing-different-components-based-on-breakpoint/30416 "2019-12-03T21:02:58Z")

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I have a Perspective view of a form using the column view container type. I want it so that when the breakpoint is in the “Small” category, my DateTimeInput component is visible, and my DateTimePicker component is hidde…

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## [Allen-Bradley PLC/SLC syntax for Boolean tags](https://forum.inductiveautomation.com/t/allen-bradley-plc-slc-syntax-for-boolean-tags/2927)

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**Author:** [@Kakkerlak](https://forum.inductiveautomation.com/u/Kakkerlak)\
**Replies:** 3\
**Last updated:** [May 9, 2011, 8:35pm UTC](https://forum.inductiveautomation.com/t/allen-bradley-plc-slc-syntax-for-boolean-tags/2927 "2011-05-09T20:35:46Z")

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This is probably a foolishly simple question but I'm an absolute beginner with Ignition so I'll go ahead and ask. I did what I thought was due diligence in the User Manual and Online Help. What is the proper syntax i…

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## [OPC -UA disconnecting](https://forum.inductiveautomation.com/t/opc-ua-disconnecting/14522)

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**Author:** [@HALW80](https://forum.inductiveautomation.com/u/HALW80)\
**Replies:** 7\
**Last updated:** [August 9, 2017, 3:37pm UTC](https://forum.inductiveautomation.com/t/opc-ua-disconnecting/14522 "2017-08-09T15:37:40Z")

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Hi. I have Gateway 7.8.2 running a OPC-UA connection via an OPC tunneller to Gateway v7.7.1 Every so often it disconnects and then sits saying connecting. When I disable and enable, it reconnects and says connected. An…

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## [Alarm event properties doesn't work in notification pipeline script](https://forum.inductiveautomation.com/t/alarm-event-properties-doesnt-work-in-notification-pipeline-script/30395)

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**Author:** [@nader.chinichian](https://forum.inductiveautomation.com/u/nader.chinichian)\
**Replies:** 5\
**Last updated:** [December 3, 2019, 6:36pm UTC](https://forum.inductiveautomation.com/t/alarm-event-properties-doesnt-work-in-notification-pipeline-script/30395 "2019-12-03T18:36:27Z")

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Hello, With reference to Alarm Event properties, I try to access some properties in notification pipeline script block. (def handleAlarm(event)) https://docs.inductiveautomation.com/display/DOC80/Alarm+Event+Properties…

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## [Perspective- Edge not loading page](https://forum.inductiveautomation.com/t/perspective-edge-not-loading-page/30405)

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**Author:** [@grietveld](https://forum.inductiveautomation.com/u/grietveld)\
**Replies:** 11\
**Last updated:** [December 3, 2019, 6:22pm UTC](https://forum.inductiveautomation.com/t/perspective-edge-not-loading-page/30405 "2019-12-03T18:22:57Z")

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Version 8.0.6 I ran into a difference between browsers on my project so decided to check my project in Edge as well, but the project ends up loading just a blank page(see below). The loading screen appears, runs through…

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## [Print Size Too Small](https://forum.inductiveautomation.com/t/print-size-too-small/30411)

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**Author:** [@Alexander41](https://forum.inductiveautomation.com/u/Alexander41)\
**Replies:** 0\
**Last updated:** [December 3, 2019, 5:11pm UTC](https://forum.inductiveautomation.com/t/print-size-too-small/30411 "2019-12-03T17:11:45Z")

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I am trying to create a simple script to print out the contents of the rootContainer for a project, however it always prints too small to fill out a full page (about 75% of the correct scaling). I’ve tried adjusting the…

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## [Raspberry Pi Using Bundled Java](https://forum.inductiveautomation.com/t/raspberry-pi-using-bundled-java/30404)

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**Author:** [@dkhayes117](https://forum.inductiveautomation.com/u/dkhayes117)\
**Replies:** 8\
**Last updated:** [December 3, 2019, 4:55pm UTC](https://forum.inductiveautomation.com/t/raspberry-pi-using-bundled-java/30404 "2019-12-03T16:55:33Z")

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Can the Ignition’s bundled java be used on a RPi? I set the bash command to useBundledJre=true, but it still uses Rasbian Java 11.0.3

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## [Power Table Color Selection](https://forum.inductiveautomation.com/t/power-table-color-selection/29954)

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**Author:** [@robert1](https://forum.inductiveautomation.com/u/robert1)\
**Replies:** 9\
**Last updated:** [December 3, 2019, 4:25pm UTC](https://forum.inductiveautomation.com/t/power-table-color-selection/29954 "2019-12-03T16:25:13Z")

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Hello- Is it possible to configure a column in a power table so user can select a color when filling out the table? Similar to this type of color selection dropdown that we see on various properties in the designer:

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## [Flow control to exit an event handler?](https://forum.inductiveautomation.com/t/flow-control-to-exit-an-event-handler/10965)

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**Author:** [@cezipper](https://forum.inductiveautomation.com/u/cezipper)\
**Replies:** 7\
**Last updated:** [December 3, 2019, 3:53pm UTC](https://forum.inductiveautomation.com/t/flow-control-to-exit-an-event-handler/10965 "2019-12-03T15:53:11Z")

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Is there a statement that can exit an event handler in the logic so I can use an if statement to selectively not execute the rest of the handler?

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## [Do tag historian queries use the client PC local time?](https://forum.inductiveautomation.com/t/do-tag-historian-queries-use-the-client-pc-local-time/30394)

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**Author:** [@edm](https://forum.inductiveautomation.com/u/edm)\
**Replies:** 5\
**Last updated:** [December 3, 2019, 3:38pm UTC](https://forum.inductiveautomation.com/t/do-tag-historian-queries-use-the-client-pc-local-time/30394 "2019-12-03T15:38:18Z")

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Had an odd complaint from an operator this morning that one of two identical clients running in different parts of the factory are showing different lines on the historical trends. Sure enough, both regular charts and sp…

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## [Button writing to Custom property](https://forum.inductiveautomation.com/t/button-writing-to-custom-property/30374)

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**Author:** [@cole.sharrah](https://forum.inductiveautomation.com/u/cole.sharrah)\
**Replies:** 10\
**Last updated:** [December 3, 2019, 3:11pm UTC](https://forum.inductiveautomation.com/t/button-writing-to-custom-property/30374 "2019-12-03T15:11:09Z")

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I simply want to write the beginning of a tag path to a custom property using a button. Based on 3 different buttons on the screen, when pressed, I want it to change the script property to a different tag path Example: …

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## [How Ignition handles big endien/little endien?](https://forum.inductiveautomation.com/t/how-ignition-handles-big-endien-little-endien/30320)

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**Author:** [@Neo](https://forum.inductiveautomation.com/u/Neo)\
**Replies:** 10\
**Last updated:** [December 3, 2019, 1:07pm UTC](https://forum.inductiveautomation.com/t/how-ignition-handles-big-endien-little-endien/30320 "2019-12-03T13:07:37Z")

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How Ignition derives the following in bigendien (Hex Value) Bit in bytes Signed/Unsigned int Signed/Unsigned double int ASCII above query is from one of our customers. Honestly, I have no clue about what big endien/li…

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## [Round down(take integer part) in expression language](https://forum.inductiveautomation.com/t/round-down-take-integer-part-in-expression-language/30400)

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**Author:** [@nader.chinichian](https://forum.inductiveautomation.com/u/nader.chinichian)\
**Replies:** 2\
**Last updated:** [December 3, 2019, 12:47pm UTC](https://forum.inductiveautomation.com/t/round-down-take-integer-part-in-expression-language/30400 "2019-12-03T12:47:27Z")

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Hello I need to round down or take its integer part of a number in expression language. I found only round() which round to nearest integer value which is not the case I need. Is there any solution for that?

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## [Timer Script issue with trigger time](https://forum.inductiveautomation.com/t/timer-script-issue-with-trigger-time/30357)

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**Author:** [@mmerola](https://forum.inductiveautomation.com/u/mmerola)\
**Replies:** 3\
**Last updated:** [December 3, 2019, 12:40pm UTC](https://forum.inductiveautomation.com/t/timer-script-issue-with-trigger-time/30357 "2019-12-03T12:40:33Z")

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I have been trying to get some code that I got from here but have since modified to work for the past little while. I have two slightly different instances of this code running and one of them works but the other does no…

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## [Some tags inaccessible through a Gateway Network Realtime Tag Provider](https://forum.inductiveautomation.com/t/some-tags-inaccessible-through-a-gateway-network-realtime-tag-provider/30389)

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**Author:** [@amirsalar.arya.kia](https://forum.inductiveautomation.com/u/amirsalar.arya.kia)\
**Replies:** 0\
**Last updated:** [December 3, 2019, 4:52am UTC](https://forum.inductiveautomation.com/t/some-tags-inaccessible-through-a-gateway-network-realtime-tag-provider/30389 "2019-12-03T04:52:19Z")

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Hi, I have setup a Realtime Tag Provider via a Gateway Network but some tags are inaccessible. Some tags say “Uncertain\_InitialValue”. And some other ones are UDTs but they don’t expand to show the tags within the UDT. …

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## [Accessing associated data of alarm event in Notification pipeline script](https://forum.inductiveautomation.com/t/accessing-associated-data-of-alarm-event-in-notification-pipeline-script/30362)

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**Author:** [@nader.chinichian](https://forum.inductiveautomation.com/u/nader.chinichian)\
**Replies:** 0\
**Last updated:** [December 2, 2019, 2:22pm UTC](https://forum.inductiveautomation.com/t/accessing-associated-data-of-alarm-event-in-notification-pipeline-script/30362 "2019-12-02T14:22:08Z")

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Hello, I want to access my associated data by using alarm event instance in Notification pipeline script block. Thanks for any help.

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## [MicroLogix Driver Error](https://forum.inductiveautomation.com/t/micrologix-driver-error/30381)

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**Author:** [@bpreston](https://forum.inductiveautomation.com/u/bpreston)\
**Replies:** 6\
**Last updated:** [December 2, 2019, 10:34pm UTC](https://forum.inductiveautomation.com/t/micrologix-driver-error/30381 "2019-12-02T22:34:02Z")

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I added a MircoLogix PLC to Ignition recently and have been getting a driver error every half hour. Has anyone experienced this before or have any thoughts on what would be causing it? Watching the device, it disconnec…

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## [Tag Write Resource Optimization - Scripting vs Binding?](https://forum.inductiveautomation.com/t/tag-write-resource-optimization-scripting-vs-binding/30383)

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**Author:** [@AIO](https://forum.inductiveautomation.com/u/AIO)\
**Replies:** 0\
**Last updated:** [December 2, 2019, 9:34pm UTC](https://forum.inductiveautomation.com/t/tag-write-resource-optimization-scripting-vs-binding/30383 "2019-12-02T21:34:51Z")

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Hi folks, I am looking for more information / resources regarding tag write resource optimization in Ignition. Curious about both version 7 and 8, as we have customers with both. Specifically, I am referring to the res…

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## [\[Bug-15558\]Perspective Component Schema Errors](https://forum.inductiveautomation.com/t/bug-15558-perspective-component-schema-errors/30376)

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**Author:** [@m.boog](https://forum.inductiveautomation.com/u/m.boog)\
**Replies:** 1\
**Last updated:** [December 2, 2019, 6:15pm UTC](https://forum.inductiveautomation.com/t/bug-15558-perspective-component-schema-errors/30376 "2019-12-02T18:15:58Z")

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In trying out my installation of Ignition 8, I changed or deleted a PROPS property of the XY Chart within Perspective. I don’t know what I changed, but now I receive errors (see picture below) that indicate the XY Chart …

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## [Access Template RootContainer's custom Property](https://forum.inductiveautomation.com/t/access-template-rootcontainers-custom-property/30361)

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**Author:** [@kaushik.shah](https://forum.inductiveautomation.com/u/kaushik.shah)\
**Replies:** 13\
**Last updated:** [December 2, 2019, 5:22pm UTC](https://forum.inductiveautomation.com/t/access-template-rootcontainers-custom-property/30361 "2019-12-02T17:22:29Z")

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I am trying to excess the custom property of template from script library. Here’s the snapshot - I have the main window named - MainAguas The template is something like this root container of this template has a c…

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## [Button - Style Customizer - Indirect Binding for Text](https://forum.inductiveautomation.com/t/button-style-customizer-indirect-binding-for-text/30365)

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**Author:** [@cole.sharrah](https://forum.inductiveautomation.com/u/cole.sharrah)\
**Replies:** 2\
**Last updated:** [December 2, 2019, 5:01pm UTC](https://forum.inductiveautomation.com/t/button-style-customizer-indirect-binding-for-text/30365 "2019-12-02T17:01:12Z")

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In the image below, my current setup is: Site ON Site OFF I want to basically use an expression in the text field area to indirectly bind to each site, where each site has 3 or more wells on it. ie; Sites: Site1, Si…

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## [Possible to write tests for windows?](https://forum.inductiveautomation.com/t/possible-to-write-tests-for-windows/30364)

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**Author:** [@bkarabinchak.psi](https://forum.inductiveautomation.com/u/bkarabinchak.psi)\
**Replies:** 1\
**Last updated:** [December 2, 2019, 4:54pm UTC](https://forum.inductiveautomation.com/t/possible-to-write-tests-for-windows/30364 "2019-12-02T16:54:48Z")

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After some headaches with a project where I made some mindless mistakes where I’d change something that broke something else, I realized I really wish I had a way to test my window and go through all the possible outcome…

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## [Page loading issue through remote assistance appliance](https://forum.inductiveautomation.com/t/page-loading-issue-through-remote-assistance-appliance/30363)

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**Author:** [@pgmo](https://forum.inductiveautomation.com/u/pgmo)\
**Replies:** 0\
**Last updated:** [December 2, 2019, 3:10pm UTC](https://forum.inductiveautomation.com/t/page-loading-issue-through-remote-assistance-appliance/30363 "2019-12-02T15:10:41Z")

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Hi all, one of my pages is made up of a PNG image (about 70 kB), 5 template canvas whose contents are defined through a query against a table in the database, some more numeric displays. I have no problem to load that …

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