# Ignition **URL:** https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=1200 [Latest](https://forum.inductiveautomation.com/latest.md) · [Categories](https://forum.inductiveautomation.com/categories.md) · [Tags](https://forum.inductiveautomation.com/tags.md) **Page:** 1201 --- ## [Transaction groups writing last know value rather than null](https://forum.inductiveautomation.com/t/transaction-groups-writing-last-know-value-rather-than-null/33029)
**Author:** [@neill](https://forum.inductiveautomation.com/u/neill)\ **Replies:** 0\ **Last updated:** [March 11, 2020, 10:05pm UTC](https://forum.inductiveautomation.com/t/transaction-groups-writing-last-know-value-rather-than-null/33029 "2020-03-11T22:05:44Z")
Hello, Just wondering how I can get my transaction group to write null as opposed to the last known value when the connection is lost? The transaction group is looking at tags provided by the AB OPCUA driver which is co… --- ## [Style, dynamic color change](https://forum.inductiveautomation.com/t/style-dynamic-color-change/33027)
**Author:** [@maja](https://forum.inductiveautomation.com/u/maja)\ **Replies:** 4\ **Last updated:** [March 11, 2020, 9:53pm UTC](https://forum.inductiveautomation.com/t/style-dynamic-color-change/33027 "2020-03-11T21:53:05Z")
I’m almost 90% sure this is not possible but out of desperation, I have to ask. Is it possible to change color or some other property of defined styles dynamically? I have a design system, for example, 10 colors that I … --- ## [Need Ideas on how to get this done](https://forum.inductiveautomation.com/t/need-ideas-on-how-to-get-this-done/33013)
**Author:** [@dcamp1](https://forum.inductiveautomation.com/u/dcamp1)\ **Replies:** 7\ **Last updated:** [March 11, 2020, 9:04pm UTC](https://forum.inductiveautomation.com/t/need-ideas-on-how-to-get-this-done/33013 "2020-03-11T21:04:45Z")
I’m using 7.9.10 - I do have SQL Database. I would like to have the option of clicking a button and some type of a spreadsheet pop up that would allow the user to jot down parts that was used for a repair, a description… --- ## [OPC-HDA Scripting](https://forum.inductiveautomation.com/t/opc-hda-scripting/32921)
**Author:** [@SteveE](https://forum.inductiveautomation.com/u/SteveE)\ **Replies:** 4\ **Last updated:** [March 11, 2020, 7:37pm UTC](https://forum.inductiveautomation.com/t/opc-hda-scripting/32921 "2020-03-11T19:37:36Z")
I’m struggling a bit here with a disconnect between documentation and real life… I’m trying to read raw values from an OPC-HDA historical source using scripting so I can translate the values into an external SQL table I… --- ## [Using Scripting resources within Alarm Notification Pipeline not working](https://forum.inductiveautomation.com/t/using-scripting-resources-within-alarm-notification-pipeline-not-working/33011)
**Author:** [@md.szyman](https://forum.inductiveautomation.com/u/md.szyman)\ **Replies:** 6\ **Last updated:** [March 11, 2020, 7:37pm UTC](https://forum.inductiveautomation.com/t/using-scripting-resources-within-alarm-notification-pipeline-not-working/33011 "2020-03-11T19:37:25Z")
I have a Script block and I’m trying to call a function defined in another Script. However, each time I call it I get: NameError: global name 'MyScript' is not defined Or if I try to import MyScript inside of the alarm… --- ## [Vision 8.0.9 Tag Writing Buffering Commands](https://forum.inductiveautomation.com/t/vision-8-0-9-tag-writing-buffering-commands/33008)
**Author:** [@kwingert](https://forum.inductiveautomation.com/u/kwingert)\ **Replies:** 4\ **Last updated:** [March 11, 2020, 6:36pm UTC](https://forum.inductiveautomation.com/t/vision-8-0-9-tag-writing-buffering-commands/33008 "2020-03-11T18:36:41Z")
Using Jython I've been able to check if a button is pressed. I have a timer component that checks every 250ms to see if the button is pressed. Every 250ms the actionPerformed scripts run, checking if the button is presse… --- ## [Update date and time when time change in OS](https://forum.inductiveautomation.com/t/update-date-and-time-when-time-change-in-os/33022)
**Author:** [@atoutautomation](https://forum.inductiveautomation.com/u/atoutautomation)\ **Replies:** 0\ **Last updated:** [March 11, 2020, 6:28pm UTC](https://forum.inductiveautomation.com/t/update-date-and-time-when-time-change-in-os/33022 "2020-03-11T18:28:43Z")
Hello I’m a beginner. Before add a topic, i’ve searched in the documentation and forum without find a solution. i’m working on Windows 7 with ignition version 8.0.9 I wrote {\[System\]Gateway/CurrentDateTime.value} in e… --- ## [Legends in Time series chart](https://forum.inductiveautomation.com/t/legends-in-time-series-chart/32942)
**Author:** [@swox](https://forum.inductiveautomation.com/u/swox)\ **Replies:** 2\ **Last updated:** [March 11, 2020, 5:44pm UTC](https://forum.inductiveautomation.com/t/legends-in-time-series-chart/32942 "2020-03-11T17:44:36Z")
Since version 8.06 it’s possible to display legends for the different series. But how is the names of the sets in the series determined? In my chart they turn up as “Col 1, Col 2…”. Is this the column names/headers in t… --- ## [Collapse Tree View Items via Scripting?](https://forum.inductiveautomation.com/t/collapse-tree-view-items-via-scripting/9226)
**Author:** [@Paullys50](https://forum.inductiveautomation.com/u/Paullys50)\ **Replies:** 8\ **Last updated:** [March 11, 2020, 5:19pm UTC](https://forum.inductiveautomation.com/t/collapse-tree-view-items-via-scripting/9226 "2020-03-11T17:19:20Z")
Is this possible? I have a recipe system that is using the tree view for organization, anytime I load a new recipe I would like to collapse the tree view so it's obvious something has changed. Granted I'll probably sho… --- ## [Dropdown Autocomplete](https://forum.inductiveautomation.com/t/dropdown-autocomplete/29292)
**Author:** [@karolld](https://forum.inductiveautomation.com/u/karolld)\ **Replies:** 3\ **Last updated:** [March 11, 2020, 3:23pm UTC](https://forum.inductiveautomation.com/t/dropdown-autocomplete/29292 "2020-03-11T15:23:00Z")
Is there a way to implement dropdown autocomplete or search functionality within the vision module? I see this feature has been added to perspective modules (Example 2) https://docs.inductiveautomation.com/display/DOC80/… --- ## [Uptime, downtime, changeover dairy working plant](https://forum.inductiveautomation.com/t/uptime-downtime-changeover-dairy-working-plant/32882)
**Author:** [@aubin.proyectos](https://forum.inductiveautomation.com/u/aubin.proyectos)\ **Replies:** 8\ **Last updated:** [March 11, 2020, 12:19pm UTC](https://forum.inductiveautomation.com/t/uptime-downtime-changeover-dairy-working-plant/32882 "2020-03-11T12:19:57Z")
Hello all. I am new using Ignition software. The task that I have to do is to report the time worked, the dead time, the time of changes through a bit of the S7 300 PLC. I already have in my project connection to the PL… --- ## [Reference Tag Parent folder](https://forum.inductiveautomation.com/t/reference-tag-parent-folder/32996)
**Author:** [@joostjojo](https://forum.inductiveautomation.com/u/joostjojo)\ **Replies:** 0\ **Last updated:** [March 11, 2020, 10:45am UTC](https://forum.inductiveautomation.com/t/reference-tag-parent-folder/32996 "2020-03-11T10:45:06Z")
Hi, I have a UDT which may contain tags from either a Siemens plc or a Allen bradley. The udt structure is as follows: UDT +OPC (Folder) +Siemens (Folder) +localtohmi (Folder) -Testinfolder (OPC tag) +Allen bradl… --- ## [Vision: EasyChart not showing trend data](https://forum.inductiveautomation.com/t/vision-easychart-not-showing-trend-data/28763)
**Author:** [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Replies:** 1\ **Last updated:** [November 4, 2019, 6:10am UTC](https://forum.inductiveautomation.com/t/vision-easychart-not-showing-trend-data/28763 "2019-11-04T06:10:07Z")
v7.9.12 I’m trying to view historised tags’ trend data in an easy chart, however I can’t seem to see any data - for any of my tags. I’ve confirmed that tag history is being stored in the database tables, and recently. … --- ## [\[SOLVED\] What is the best way to run a script after a database table has been updated?](https://forum.inductiveautomation.com/t/solved-what-is-the-best-way-to-run-a-script-after-a-database-table-has-been-updated/32987)
**Author:** [@bmeyers](https://forum.inductiveautomation.com/u/bmeyers)\ **Replies:** 3\ **Last updated:** [March 10, 2020, 8:31pm UTC](https://forum.inductiveautomation.com/t/solved-what-is-the-best-way-to-run-a-script-after-a-database-table-has-been-updated/32987 "2020-03-10T20:31:39Z")
I have a database table as follows: TableName RFID1 (varchar) RFID2 (varchar) UniquePK (bigint) Every once in a while this database table will get a new row added to it and that row will always have the largest UniqueP… --- ## [Expression length of JSON object/array](https://forum.inductiveautomation.com/t/expression-length-of-json-object-array/32982)
**Author:** [@rcrownover](https://forum.inductiveautomation.com/u/rcrownover)\ **Replies:** 4\ **Last updated:** [March 10, 2020, 6:49pm UTC](https://forum.inductiveautomation.com/t/expression-length-of-json-object-array/32982 "2020-03-10T18:49:53Z")
Does anyone know if its possible to get the length of a JSON array or JSON object via the expression language in Perspective? Unfortunately, both len({property}) and {property.length} don’t work. I can at least test for … --- ## [Im getting this error in the console](https://forum.inductiveautomation.com/t/im-getting-this-error-in-the-console/2807)
**Author:** [@diat150](https://forum.inductiveautomation.com/u/diat150)\ **Replies:** 5\ **Last updated:** [March 10, 2020, 3:13pm UTC](https://forum.inductiveautomation.com/t/im-getting-this-error-in-the-console/2807 "2020-03-10T15:13:59Z")
what does it mean? It seems to be happening for quite a few tags. Tried to register a path/listener combination that is already in the model. Value: SQLTSubscription(path=\[Atch\_Meas\]TF2/DPHIGH, listener=DefaultSourceUn… --- ## [Memory Tag value is overridden when hitting OK in tag editor properties](https://forum.inductiveautomation.com/t/memory-tag-value-is-overridden-when-hitting-ok-in-tag-editor-properties/32978)
**Author:** [@framebuilder](https://forum.inductiveautomation.com/u/framebuilder)\ **Replies:** 3\ **Last updated:** [March 10, 2020, 5:22pm UTC](https://forum.inductiveautomation.com/t/memory-tag-value-is-overridden-when-hitting-ok-in-tag-editor-properties/32978 "2020-03-10T17:22:19Z")
Ignition 7.9.11 We created an Expression tag (partCounter) with a valueChanged Tag Event that uses system.tag.write() to update a Memory tag (outfeedCounter) anytime partCounter changes. We then store the value of outf… --- ## [Splitting a redundant pair](https://forum.inductiveautomation.com/t/splitting-a-redundant-pair/32980)
**Author:** [@wazzucoug763](https://forum.inductiveautomation.com/u/wazzucoug763)\ **Replies:** 1\ **Last updated:** [March 10, 2020, 4:39pm UTC](https://forum.inductiveautomation.com/t/splitting-a-redundant-pair/32980 "2020-03-10T16:39:16Z")
I created a redundant pair of Gateway servers in order to test the redundancy feature. I now want to split the pair so that I can use the backup gateway for additional development. Is there a procedure for doing this. … --- ## [Change Popup Keyboard Language](https://forum.inductiveautomation.com/t/change-popup-keyboard-language/32981)
**Author:** [@bvaldovinos](https://forum.inductiveautomation.com/u/bvaldovinos)\ **Replies:** 1\ **Last updated:** [March 10, 2020, 4:37pm UTC](https://forum.inductiveautomation.com/t/change-popup-keyboard-language/32981 "2020-03-10T16:37:43Z")
Ignition 7.9.13 Gateway: CentOS Client: Windows 10 Does anyone know how I would begin changing the popup keyboard language to reflect the selected language from the Language Selector component? --- ## [Properly Displaying Korean Language](https://forum.inductiveautomation.com/t/properly-displaying-korean-language/32979)
**Author:** [@bvaldovinos](https://forum.inductiveautomation.com/u/bvaldovinos)\ **Replies:** 0\ **Last updated:** [March 10, 2020, 4:09pm UTC](https://forum.inductiveautomation.com/t/properly-displaying-korean-language/32979 "2020-03-10T16:09:14Z")
Ignition 7.9.13 Gateway: CentOS Client: Windows 10 I’m trying to properly display the Korean language throughout a very large project. The font has been changed to Malgun Gothic. The User Management component still wo… --- ## [How to access Template Canvas property in instance](https://forum.inductiveautomation.com/t/how-to-access-template-canvas-property-in-instance/32908)
**Author:** [@Neo](https://forum.inductiveautomation.com/u/Neo)\ **Replies:** 3\ **Last updated:** [March 10, 2020, 2:58pm UTC](https://forum.inductiveautomation.com/t/how-to-access-template-canvas-property-in-instance/32908 "2020-03-10T14:58:12Z")
I am using a template canvas with multiple template instances in it. I would like to access the properties of this template canvas on click of button inside the instance. Currently, I am using following code to access th… --- ## [Get URL String Dynamically from Web Browser Component during Runtime](https://forum.inductiveautomation.com/t/get-url-string-dynamically-from-web-browser-component-during-runtime/32960)
**Author:** [@amrutha.devaraju](https://forum.inductiveautomation.com/u/amrutha.devaraju)\ **Replies:** 1\ **Last updated:** [March 10, 2020, 2:52pm UTC](https://forum.inductiveautomation.com/t/get-url-string-dynamically-from-web-browser-component-during-runtime/32960 "2020-03-10T14:52:46Z")
Hello, I wanted to know if there is a way where i can read the url from the webcomponent url. Because, if i change the url in runtime mode, it does not get reflected elsewhere and i would like to save it some string an… --- ## [I have a question concerning Gateway Event Scripts and re-entrancy](https://forum.inductiveautomation.com/t/i-have-a-question-concerning-gateway-event-scripts-and-re-entrancy/32964)
**Author:** [@deancable](https://forum.inductiveautomation.com/u/deancable)\ **Replies:** 3\ **Last updated:** [March 10, 2020, 2:33pm UTC](https://forum.inductiveautomation.com/t/i-have-a-question-concerning-gateway-event-scripts-and-re-entrancy/32964 "2020-03-10T14:33:54Z")
I have a question concerning Gateway Event Scripts. Let’s say you have a script that takes 10 seconds to run. You set up a Gateway Event script for 1,200 ms Delay Type = Fixed Delay and Threading = Dedicated. I “think… --- ## [\[Bug-16155\]Slider Handle Offset From Cursor In Flex Popup](https://forum.inductiveautomation.com/t/bug-16155-slider-handle-offset-from-cursor-in-flex-popup/32950)
**Author:** [@steven.hodge](https://forum.inductiveautomation.com/u/steven.hodge)\ **Replies:** 4\ **Last updated:** [March 10, 2020, 2:19pm UTC](https://forum.inductiveautomation.com/t/bug-16155-slider-handle-offset-from-cursor-in-flex-popup/32950 "2020-03-10T14:19:36Z")
Sure. Here is the view, I drew a red line to show the gap between the pointer and the slider’s dot: Here is the view.json: view.json (10.4 KB) Here is the layout: Properties: It only seems to happen if I plac… --- ## [\[Bug-13647\]Vision Windows Folder Disappeared](https://forum.inductiveautomation.com/t/bug-13647-vision-windows-folder-disappeared/24298)
**Author:** [@mbhagotra](https://forum.inductiveautomation.com/u/mbhagotra)\ **Replies:** 13\ **Last updated:** [March 10, 2020, 2:10pm UTC](https://forum.inductiveautomation.com/t/bug-13647-vision-windows-folder-disappeared/24298 "2020-03-10T14:10:00Z")
Hello, All of a sudden the “Vision Windows” folder has disappeared from the Project Browser in Ignition 8.0. I can’t access or edit the windows anymore. I’ve restarted the gateway and designer multiple times, and even… --- ## [Cycle time per hour using discret tag and Tag History for data binding to chart in perspective](https://forum.inductiveautomation.com/t/cycle-time-per-hour-using-discret-tag-and-tag-history-for-data-binding-to-chart-in-perspective/32969)
**Author:** [@Mason.Younger](https://forum.inductiveautomation.com/u/Mason.Younger)\ **Replies:** 0\ **Last updated:** [March 10, 2020, 1:12pm UTC](https://forum.inductiveautomation.com/t/cycle-time-per-hour-using-discret-tag-and-tag-history-for-data-binding-to-chart-in-perspective/32969 "2020-03-10T13:12:21Z")
I have tag history setup for a tag that toggles true once a cycle is completed. How can I use “Tag History” under binding to show how many times this tag turned true in an hour? I would like to show plot this to show pe… --- ## [Transaction Groups Execution Error](https://forum.inductiveautomation.com/t/transaction-groups-execution-error/31407)
**Author:** [@amrutha.devaraju](https://forum.inductiveautomation.com/u/amrutha.devaraju)\ **Replies:** 4\ **Last updated:** [March 10, 2020, 11:51am UTC](https://forum.inductiveautomation.com/t/transaction-groups-execution-error/31407 "2020-03-10T11:51:56Z")
I am getting Failure in execution start in Ignition Transaction Groups. “Error during group execution. java.lang.Exception: Unable to add data to memory buffer, buffer full. Unable to add data to memory buffer, buffer f… --- ## [Lag Issue, Page loading and indication feedback slow](https://forum.inductiveautomation.com/t/lag-issue-page-loading-and-indication-feedback-slow/32957)
**Author:** [@bennettan](https://forum.inductiveautomation.com/u/bennettan)\ **Replies:** 3\ **Last updated:** [March 10, 2020, 9:15am UTC](https://forum.inductiveautomation.com/t/lag-issue-page-loading-and-indication-feedback-slow/32957 "2020-03-10T09:15:27Z")
The page loading when switching page took about 11 seconds to complete the load. The response of the pushbutton and the indication which take 5 to 8 seconds. It is very obvious for the larger site which has more items … --- ## [Ignition installer can't be opened because Apple cannot check it for malicious software](https://forum.inductiveautomation.com/t/ignition-installer-cant-be-opened-because-apple-cannot-check-it-for-malicious-software/32155)
**Author:** [@preston.j.williams](https://forum.inductiveautomation.com/u/preston.j.williams)\ **Replies:** 1\ **Last updated:** [February 12, 2020, 3:02am UTC](https://forum.inductiveautomation.com/t/ignition-installer-cant-be-opened-because-apple-cannot-check-it-for-malicious-software/32155 "2020-02-12T03:02:19Z")
Hello, I am trying to install 8.0.7 on a Mac running macOS Catalina 10.15.3. Everytime I have tried to install it, I get the following error: “Ignition-8.0.7-osx-installer” can’t be opened because Apple cannot check … --- ## [Giving Administrator rights to AD / internal hybrid user source users](https://forum.inductiveautomation.com/t/giving-administrator-rights-to-ad-internal-hybrid-user-source-users/32940)
**Author:** [@Transistor](https://forum.inductiveautomation.com/u/Transistor)\ **Replies:** 4\ **Last updated:** [March 9, 2020, 9:57pm UTC](https://forum.inductiveautomation.com/t/giving-administrator-rights-to-ad-internal-hybrid-user-source-users/32940 "2020-03-09T21:57:56Z")
I have created an AD \[Active Directory\] / Internal Hybrid user source. It is working properly for client access control. I wish to authenticate admin users in the same manner. How do I do this? (We nearly locked ourselv… [Previous page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=1199) [Next page](https://forum.inductiveautomation.com/c/ignition/6.md?no_subcategories=false&page=1201)