# \#extension-sdk

**URL:** https://community.dynatrace.com/tag/extension-sdk/69.md

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## [Timeout executing a Grail DQL query from an ActiveGate using an HTTP call - Extension SDK](https://community.dynatrace.com/t/timeout-executing-a-grail-dql-query-from-an-activegate-using-an-http-call-extension-sdk/54524)

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**Author:** [@chris\_cho](https://community.dynatrace.com/u/chris_cho)\
**Replies:** 7\
**Last updated:** [January 5, 2026, 7:48pm UTC](https://community.dynatrace.com/t/timeout-executing-a-grail-dql-query-from-an-activegate-using-an-http-call-extension-sdk/54524 "2026-01-05T19:48:17Z")

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Hello, I am not sure why I am getting a timeout exception when I execute a DQL query from an ActiveGate using the HTTP request curl -X 'POST' 'https://{environmentid}.apps.dynatrace.com/platform/storage/query/v1/query:…

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## [Building a custom extension in an isolated network](https://community.dynatrace.com/t/building-a-custom-extension-in-an-isolated-network/52928)

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**Author:** [@gautier\_begin](https://community.dynatrace.com/u/gautier_begin)\
**Replies:** 0\
**Last updated:** [August 13, 2025, 8:34am UTC](https://community.dynatrace.com/t/building-a-custom-extension-in-an-isolated-network/52928 "2025-08-13T08:34:03Z")

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Hello, Here my how-to build a custom extension in a place without internet access, which is my case: References About Extensions — Dynatrace Docs Sign extensions — Dynatrace Docs https://community.dynatrace.com/t5/Ex…

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## [Python extension 2.0 - include own sub-modules](https://community.dynatrace.com/t/python-extension-2-0-include-own-sub-modules/52546)

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**Author:** [@r\_weber](https://community.dynatrace.com/u/r_weber)\
**Replies:** 2\
**Last updated:** [July 21, 2025, 7:54am UTC](https://community.dynatrace.com/t/python-extension-2-0-include-own-sub-modules/52546 "2025-07-21T07:54:25Z")

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Hello extension devs, I have a strange behavior when building a python 2.0 extension. I structure my code/modules like this: extension extension.yaml actiavtionSchema.json my\_extension - mymodule1 - submodule …

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## [dt-sdk build command is building my custom extension with success but the signature is not valid](https://community.dynatrace.com/t/dt-sdk-build-command-is-building-my-custom-extension-with-success-but-the-signature-is-not-valid/48532)

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**Author:** [@agravier](https://community.dynatrace.com/u/agravier)\
**Replies:** 4\
**Last updated:** [October 25, 2024, 2:09pm UTC](https://community.dynatrace.com/t/dt-sdk-build-command-is-building-my-custom-extension-with-success-but-the-signature-is-not-valid/48532 "2024-10-25T14:09:59Z")

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Hello, I encountered some troubles to move a custom python extension V2 from a sandbox tenant to a production tenant (the previous dev env doesn’t exist anymore). Actions done : 1- I created a new vscode project and I…