# Forum **URL:** https://community.cumulocity.com/c/forum/5.md?page=1 [Latest](https://community.cumulocity.com/latest.md) · [Categories](https://community.cumulocity.com/categories.md) · [Tags](https://community.cumulocity.com/tags.md) **Page:** 2 --- ## [Custom "Asset properties" widget on device manager](https://community.cumulocity.com/t/custom-asset-properties-widget-on-device-manager/14547)
**Author:** [@Aodren](https://community.cumulocity.com/u/Aodren)\ **Replies:** 9\ **Last updated:** [May 20, 2026, 6:29pm UTC](https://community.cumulocity.com/t/custom-asset-properties-widget-on-device-manager/14547 "2026-05-20T18:29:18Z")
Hi Community, Since the upgrade to the 2025 version on our platform, I cannot find where I can custom the Asset properties widget. Here is the previous widget : And now I don’t have the “Active alarms status”, “Ava… --- ## [Cockpit smart rules](https://community.cumulocity.com/t/cockpit-smart-rules/14580)
**Author:** [@bdm](https://community.cumulocity.com/u/bdm)\ **Replies:** 3\ **Last updated:** [May 18, 2026, 9:20am UTC](https://community.cumulocity.com/t/cockpit-smart-rules/14580 "2026-05-18T09:20:43Z")
Hello, is there any hard limit to for the number of smart rules which can be active on a tenant with APAMA2C-8G? on all groups or per group, etc… assuming that in each group we have 2000 devices so those smart rules will… --- ## [Identifying direct parents of managed object](https://community.cumulocity.com/t/identifying-direct-parents-of-managed-object/14575)
**Author:** [@Niko](https://community.cumulocity.com/u/Niko)\ **Replies:** 1\ **Last updated:** [May 18, 2026, 8:10am UTC](https://community.cumulocity.com/t/identifying-direct-parents-of-managed-object/14575 "2026-05-18T08:10:11Z")
Hello, When retrieving a specific managed object ( Cumulocity - OpenAPI ) with the withParents=true option it will return all ancestors in the hierarchy. Is there a way to identify the direct parent(s) of the objects w… --- ## [Web SDK 2025 c8y-date-time-picker seconds not updating](https://community.cumulocity.com/t/web-sdk-2025-c8y-date-time-picker-seconds-not-updating/14551)
**Author:** [@waldemar.bus](https://community.cumulocity.com/u/waldemar.bus)\ **Replies:** 2\ **Last updated:** [May 14, 2026, 11:07am UTC](https://community.cumulocity.com/t/web-sdk-2025-c8y-date-time-picker-seconds-not-updating/14551 "2026-05-14T11:07:12Z")
Hi, I have a problem. I am trying to use c8y-datetime-picker in our application but seconds are not being passed to the component on edit. Minutes and hours update correctly. Below simplest case I tried to confirm this i… --- ## [Legacy configuration snapshot](https://community.cumulocity.com/t/legacy-configuration-snapshot/14570)
**Author:** [@Kai\_Reinhardt](https://community.cumulocity.com/u/Kai_Reinhardt)\ **Replies:** 1\ **Last updated:** [May 13, 2026, 12:52pm UTC](https://community.cumulocity.com/t/legacy-configuration-snapshot/14570 "2026-05-13T12:52:33Z")
Hi guys my thin-edge.io does have a Configurations called Legacy configuration snapshot Which data/files are collected if you press the Button Get snapshot from device? --- ## [Microservice calculation for API integration](https://community.cumulocity.com/t/microservice-calculation-for-api-integration/14568)
**Author:** [@Wael\_Alkadamani](https://community.cumulocity.com/u/Wael_Alkadamani)\ **Replies:** 2\ **Last updated:** [May 12, 2026, 12:05pm UTC](https://community.cumulocity.com/t/microservice-calculation-for-api-integration/14568 "2026-05-12T12:05:20Z")
Technical question: assuming we have different systems that need to be integrated with Cumulocity (Fleet Management, Asset Management, etc.), and all integrations are API-based, how should we estimate the number of micro… --- ## [Deactivation Tedge Flows](https://community.cumulocity.com/t/deactivation-tedge-flows/14564)
**Author:** [@Kai\_Reinhardt](https://community.cumulocity.com/u/Kai_Reinhardt)\ **Replies:** 1\ **Last updated:** [May 11, 2026, 9:59am UTC](https://community.cumulocity.com/t/deactivation-tedge-flows/14564 "2026-05-11T09:59:21Z")
Hi Guys as it is stated in the documentation Flows | Thin-edge flows are copied to /etc/tedge/mappers/c8y/flows/ or in my case it is /var/snap/ctrlx-cumulocity-thin-edge-io/x27/tedge/mappers/c8y/flows/high-temp-alert/… --- ## [devicePermissions does not filter list queries - only works for direct object access by ID](https://community.cumulocity.com/t/devicepermissions-does-not-filter-list-queries-only-works-for-direct-object-access-by-id/14520)
**Author:** [@Dinuka](https://community.cumulocity.com/u/Dinuka)\ **Replies:** 5\ **Last updated:** [May 8, 2026, 2:34pm UTC](https://community.cumulocity.com/t/devicepermissions-does-not-filter-list-queries-only-works-for-direct-object-access-by-id/14520 "2026-05-08T14:34:14Z")
Hello, I am working on a multi-tenant customer management system using Cumulocity IoT. I am trying to restrict users so they can only see managed objects that belong to their customer. What I have done: Created a us… --- ## [Measurement Sync Tracking Best Practice](https://community.cumulocity.com/t/measurement-sync-tracking-best-practice/14549)
**Author:** [@anushka](https://community.cumulocity.com/u/anushka)\ **Replies:** 1\ **Last updated:** [May 7, 2026, 11:37am UTC](https://community.cumulocity.com/t/measurement-sync-tracking-best-practice/14549 "2026-05-07T11:37:08Z")
Hi everyone, I have a question regarding measurement synchronization and tracking in Cumulocity IoT. After checking the API and documentation, it looks like measurements are read-only after creation, and update operati… --- ## [Error: Not a valid filename for a flow deploying tedge flow](https://community.cumulocity.com/t/error-not-a-valid-filename-for-a-flow-deploying-tedge-flow/14538)
**Author:** [@Christof\_Strack](https://community.cumulocity.com/u/Christof_Strack)\ **Replies:** 10\ **Last updated:** [May 6, 2026, 3:01pm UTC](https://community.cumulocity.com/t/error-not-a-valid-filename-for-a-flow-deploying-tedge-flow/14538 "2026-05-06T15:01:23Z")
Hi, I have a new that should trigger every: interval = "${params.cleanup\_interval}" When I copy the scripts/ flow to /etc/tedge/mappers/c8y/flows/log-cleanup I get the following error: tedge-mapper-c8y | 2026-05-04T… --- ## [Cumulocity moving from single tenant to multi-tenant](https://community.cumulocity.com/t/cumulocity-moving-from-single-tenant-to-multi-tenant/14315)
**Author:** [@bdm](https://community.cumulocity.com/u/bdm)\ **Replies:** 9\ **Last updated:** [April 29, 2026, 9:11am UTC](https://community.cumulocity.com/t/cumulocity-moving-from-single-tenant-to-multi-tenant/14315 "2026-04-29T09:11:51Z")
Hello, is there a good reference to explore about this topic or some training available on Cumulocity website which can be used to build the needed knowledge based on existing and well documented best practices? now in… --- ## [I want to have column width to be retained in the grid if user changes the width](https://community.cumulocity.com/t/i-want-to-have-column-width-to-be-retained-in-the-grid-if-user-changes-the-width/14491)
**Author:** [@sandeepsc](https://community.cumulocity.com/u/sandeepsc)\ **Replies:** 6\ **Last updated:** [April 28, 2026, 8:42am UTC](https://community.cumulocity.com/t/i-want-to-have-column-width-to-be-retained-in-the-grid-if-user-changes-the-width/14491 "2026-04-28T08:42:52Z")
wanted to have column width to be retained if user move to different page and comes back to same page, change done to column width has to be retained, currently i tried and could not get it worked, any suggestions. --- ## [How to Trigger Data Export via Streaming Analytics?](https://community.cumulocity.com/t/how-to-trigger-data-export-via-streaming-analytics/14514)
**Author:** [@ChristophRose](https://community.cumulocity.com/u/ChristophRose)\ **Replies:** 1\ **Last updated:** [April 27, 2026, 10:02am UTC](https://community.cumulocity.com/t/how-to-trigger-data-export-via-streaming-analytics/14514 "2026-04-27T10:02:02Z")
There are various way to trigger an export. There is the general “Exports” configuration in Cockpit which allows scheduled exports but also manual triggering of exports. There are a bunch of widgets that support data exp… --- ## [Listing users with access to a specific group/subgroup](https://community.cumulocity.com/t/listing-users-with-access-to-a-specific-group-subgroup/14489)
**Author:** [@IvanaKrsteva](https://community.cumulocity.com/u/IvanaKrsteva)\ **Replies:** 5\ **Last updated:** [April 23, 2026, 10:58am UTC](https://community.cumulocity.com/t/listing-users-with-access-to-a-specific-group-subgroup/14489 "2026-04-23T10:58:27Z")
Hi, I have a question regarding user access. We are trying to determine how to retrieve a list of all users who have access to a specific group, including its subgroups. From our understanding, access is managed via in… --- ## [Dynamic dashboard mo creation is failing in websdk 1023](https://community.cumulocity.com/t/dynamic-dashboard-mo-creation-is-failing-in-websdk-1023/14503)
**Author:** [@Vignesh\_Babu](https://community.cumulocity.com/u/Vignesh_Babu)\ **Replies:** 1\ **Last updated:** [April 23, 2026, 9:45am UTC](https://community.cumulocity.com/t/dynamic-dashboard-mo-creation-is-failing-in-websdk-1023/14503 "2026-04-23T09:45:51Z")
As per existing implementation, dynamic dashboards are getting created whenever a new device is added in the tenant. This is achieved by extending the ContextDashboardService class and override create(dashboardCfg: Con… --- ## [Limit to display the data points in data point graph](https://community.cumulocity.com/t/limit-to-display-the-data-points-in-data-point-graph/14497)
**Author:** [@Vignesh\_Babu](https://community.cumulocity.com/u/Vignesh_Babu)\ **Replies:** 1\ **Last updated:** [April 22, 2026, 11:11am UTC](https://community.cumulocity.com/t/limit-to-display-the-data-points-in-data-point-graph/14497 "2026-04-22T11:11:39Z")
In data point graph, users can define a custom start and end date range to view the data. Multiple Data points are ingested from the device every 10 seconds. When a large date range is selected (for example, the last on… --- ## [Can't determine total number of alarms](https://community.cumulocity.com/t/cant-determine-total-number-of-alarms/14477)
**Author:** [@Christoph\_Souris](https://community.cumulocity.com/u/Christoph_Souris)\ **Replies:** 2\ **Last updated:** [April 22, 2026, 7:38am UTC](https://community.cumulocity.com/t/cant-determine-total-number-of-alarms/14477 "2026-04-22T07:38:33Z")
Hi all, I’m using the CLI to determine the total number of alarms. Unfortunately, I am limited to “100”. The OpenAPI docs state: The role ROLE\_ALARM\_READ is not required, but if a user has this role, all the alarms o… --- ## [Add default widget collection to custom application](https://community.cumulocity.com/t/add-default-widget-collection-to-custom-application/14471)
**Author:** [@patrycja.dembinska](https://community.cumulocity.com/u/patrycja.dembinska)\ **Replies:** 6\ **Last updated:** [April 14, 2026, 3:37pm UTC](https://community.cumulocity.com/t/add-default-widget-collection-to-custom-application/14471 "2026-04-14T15:37:10Z")
Hi, We just upgraded our custom application from c8y 1018.0.269 to 1021.22.145. In 1018 version all widgets from widget collection (widgets available in Cockpit application) was available in our custom application. Afte… --- ## [Deploy UI project using pipeline in azure devops](https://community.cumulocity.com/t/deploy-ui-project-using-pipeline-in-azure-devops/14467)
**Author:** [@Vignesh\_Babu](https://community.cumulocity.com/u/Vignesh_Babu)\ **Replies:** 5\ **Last updated:** [April 10, 2026, 9:42am UTC](https://community.cumulocity.com/t/deploy-ui-project-using-pipeline-in-azure-devops/14467 "2026-04-10T09:42:51Z")
I’m trying to build and deploy websdk 1023 project using azure devops by creating the pipeline. In yml file, defined node version 22 and ng build to build the project and all the required variables such as tenant, userna… --- ## [C8y\_firmware operation cancelled by server after 1 hour](https://community.cumulocity.com/t/c8y-firmware-operation-cancelled-by-server-after-1-hour/14382)
**Author:** [@Michael.Carswell](https://community.cumulocity.com/u/Michael.Carswell)\ **Replies:** 4\ **Last updated:** [April 10, 2026, 3:07am UTC](https://community.cumulocity.com/t/c8y-firmware-operation-cancelled-by-server-after-1-hour/14382 "2026-04-10T03:07:00Z")
Hi all, I’m developing an IOT device communicating with a cumulocity device management server via lwm2m. In writing automated testing for the lwm2m FOTA process I’ve been running into an issue where the server is consi… --- ## [Big measurements and how many billing requests](https://community.cumulocity.com/t/big-measurements-and-how-many-billing-requests/14465)
**Author:** [@hgansmueller](https://community.cumulocity.com/u/hgansmueller)\ **Replies:** 0\ **Last updated:** [April 8, 2026, 11:15am UTC](https://community.cumulocity.com/t/big-measurements-and-how-many-billing-requests/14465 "2026-04-08T11:15:05Z")
Hello all, we have some big measurements. When I download one of them it is about 16kb. As I remember at a size of 2 or 4kb such a measurement costs more then one request. Is there a rule of thumb for estimating how man… --- ## [MQTT Create a measurement with 200 - No unit is shown](https://community.cumulocity.com/t/mqtt-create-a-measurement-with-200-no-unit-is-shown/14463)
**Author:** [@Manfred.Gruber](https://community.cumulocity.com/u/Manfred.Gruber)\ **Replies:** 3\ **Last updated:** [April 8, 2026, 9:38am UTC](https://community.cumulocity.com/t/mqtt-create-a-measurement-with-200-no-unit-is-shown/14463 "2026-04-08T09:38:26Z")
Hello! Is send measurements to Cumulocity to topic s/us with mqtt like: 200,memory\_usage,storage,2.59,P or 200,memory\_usage,ram,14.67,percent,2026-04-08T08:06:42.687+00:00 Like written in This is how it looks lik… --- ## [Edge - Configuring "REGISTRY\_PATH" for a private registry installation](https://community.cumulocity.com/t/edge-configuring-registry-path-for-a-private-registry-installation/14442)
**Author:** [@simon.radier](https://community.cumulocity.com/u/simon.radier)\ **Replies:** 3\ **Last updated:** [April 6, 2026, 5:07am UTC](https://community.cumulocity.com/t/edge-configuring-registry-path-for-a-private-registry-installation/14442 "2026-04-06T05:07:21Z")
Hello, I was working on an installation of an C8Y Edge platform with a private registry thanks to this documentation : Configuring Edge to use a private registry - Cumulocity Release 2025 documentation But we are facin… --- ## [Help needed: Analytics Builder custom block calling Cumulocity microservice](https://community.cumulocity.com/t/help-needed-analytics-builder-custom-block-calling-cumulocity-microservice/14448)
**Author:** [@Chanaka](https://community.cumulocity.com/u/Chanaka)\ **Replies:** 1\ **Last updated:** [April 2, 2026, 7:39am UTC](https://community.cumulocity.com/t/help-needed-analytics-builder-custom-block-calling-cumulocity-microservice/14448 "2026-04-02T07:39:20Z")
Hi everyone, I’m currently working on integrating a custom microservice with an Analytics Builder custom block in Cumulocity, and I would really appreciate some guidance or examples. :wrench: What I’m trying to achieve … --- ## [Multiple tedge installation on one device to connect more then one Cloud Providers](https://community.cumulocity.com/t/multiple-tedge-installation-on-one-device-to-connect-more-then-one-cloud-providers/14414)
**Author:** [@coolmischa](https://community.cumulocity.com/u/coolmischa)\ **Replies:** 4\ **Last updated:** [March 24, 2026, 7:50pm UTC](https://community.cumulocity.com/t/multiple-tedge-installation-on-one-device-to-connect-more-then-one-cloud-providers/14414 "2026-03-24T19:50:13Z")
Moin, moin, I’m new to tedge and cumulocity and I need help with an unusual problem. I want to send data from one device to two destination addresses (cloud providers). One solution would be to send the data to, for exa… --- ## [Unexpected results when using text query parameter in /inventory/managedObjects](https://community.cumulocity.com/t/unexpected-results-when-using-text-query-parameter-in-inventory-managedobjects/13762)
**Author:** [@wojciech.najdek](https://community.cumulocity.com/u/wojciech.najdek)\ **Replies:** 5\ **Last updated:** [March 20, 2026, 8:28am UTC](https://community.cumulocity.com/t/unexpected-results-when-using-text-query-parameter-in-inventory-managedobjects/13762 "2026-03-20T08:28:08Z")
Hello everyone, I have a question regarding the text query parameter used in a GET request to /inventory/managedObjects. I am trying to fetch a device by its name. My initial approach was to use the text parameter, so I… --- ## [Can we add users to device groups in Cumulocity?](https://community.cumulocity.com/t/can-we-add-users-to-device-groups-in-cumulocity/14385)
**Author:** [@abhayprdp1](https://community.cumulocity.com/u/abhayprdp1)\ **Replies:** 3\ **Last updated:** [March 19, 2026, 3:53pm UTC](https://community.cumulocity.com/t/can-we-add-users-to-device-groups-in-cumulocity/14385 "2026-03-19T15:53:11Z")
Hi, I have device groups like Org-Test\_partner-test in Device Management. I want to know if it is possible to add a user directly to a device group so that the user can only see devices under that group. If not, what is … --- ## [Event file (binary) attachments offloading via data hub?](https://community.cumulocity.com/t/event-file-binary-attachments-offloading-via-data-hub/14388)
**Author:** [@Alexander\_Pester](https://community.cumulocity.com/u/Alexander_Pester)\ **Replies:** 0\ **Last updated:** [March 19, 2026, 1:09pm UTC](https://community.cumulocity.com/t/event-file-binary-attachments-offloading-via-data-hub/14388 "2026-03-19T13:09:17Z")
This was already asked in However, is already a while ago. Does the latest data hub supports that yet? --- ## [Event file (binary) attachment, retention rules?](https://community.cumulocity.com/t/event-file-binary-attachment-retention-rules/14387)
**Author:** [@Alexander\_Pester](https://community.cumulocity.com/u/Alexander_Pester)\ **Replies:** 1\ **Last updated:** [March 19, 2026, 12:59pm UTC](https://community.cumulocity.com/t/event-file-binary-attachment-retention-rules/14387 "2026-03-19T12:59:26Z")
Does Cumulocity also removes the attached file (binary) of an event which gets removed via retention rules? I hope yes, i would like to prevent to much binary data in the mongo db and hope i can solve that with well defi… --- ## [Delete a group with childAssets that are also used in another group using "cascade=true"](https://community.cumulocity.com/t/delete-a-group-with-childassets-that-are-also-used-in-another-group-using-cascade-true/14251)
**Author:** [@Michael\_Voigt2](https://community.cumulocity.com/u/Michael_Voigt2)\ **Replies:** 2\ **Last updated:** [March 18, 2026, 12:49pm UTC](https://community.cumulocity.com/t/delete-a-group-with-childassets-that-are-also-used-in-another-group-using-cascade-true/14251 "2026-03-18T12:49:30Z")
Hi, in the following scenario we’re having “device2” assigned to multiple groups: Group1 – childAssets — device1 — device2 Group2 – childAssets — device2 The childAssets of the groups and the assetParents … [Previous page](https://community.cumulocity.com/c/forum/5.md) [Next page](https://community.cumulocity.com/c/forum/5.md?page=2)