# GDL editor

**URL:** https://discourse.openehr.org/c/tool-support/gdl/77.md

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## [About the GDL editor category](https://discourse.openehr.org/t/about-the-gdl-editor-category/2102)

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**Author:** [@thomas.beale](https://discourse.openehr.org/u/thomas.beale)\
**Replies:** 0

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Community support for Cambio GDL guideline editor tools.

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## [Detailed Video Tutorial for GDL 2 Editor](https://discourse.openehr.org/t/detailed-video-tutorial-for-gdl-2-editor/4718)

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**Author:** [@Godwin](https://discourse.openehr.org/u/Godwin)\
**Replies:** 5\
**Last updated:** [24 April 2025 07:20 UTC](https://discourse.openehr.org/t/detailed-video-tutorial-for-gdl-2-editor/4718 "2025-04-24T07:20:13Z")

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I am new to openEHR, and I am trying out the GDL 2 Editor to build a clinical guideline which is quite complex. I have gone through the tutorial a number of times and done the examples, but I still cant find my way aroun…

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## [Problems when instantiating multiple of the same archetype/element](https://discourse.openehr.org/t/problems-when-instantiating-multiple-of-the-same-archetype-element/2878)

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**Author:** [@loraine\_cahn](https://discourse.openehr.org/u/loraine_cahn)\
**Replies:** 2\
**Last updated:** [8 August 2022 09:50 UTC](https://discourse.openehr.org/t/problems-when-instantiating-multiple-of-the-same-archetype-element/2878 "2022-08-08T09:50:46Z")

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I am using the GDL2 editor to create medical guidelines with recommendations. I think that I encountered some bugs and I would like to bring those to your attention. According to one of my guidelines, recommendations sh…

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## [Problem when loading a GDL file containing a duration element into the GDL2 editor](https://discourse.openehr.org/t/problem-when-loading-a-gdl-file-containing-a-duration-element-into-the-gdl2-editor/2100)

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**Author:** [@LoraineC](https://discourse.openehr.org/u/LoraineC)\
**Replies:** 5\
**Last updated:** [11 February 2022 07:38 UTC](https://discourse.openehr.org/t/problem-when-loading-a-gdl-file-containing-a-duration-element-into-the-gdl2-editor/2100 "2022-02-11T07:38:18Z")

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Hi everybody, I get an error message when trying to load a GDL file into the GDL2 editor: text cannot be parsed to a duration. The only duration element that I have in the file is the attribute chronological age, of th…

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## [GDL2 editor: problem when creating a guideline with the same archetype instantiated twice as output variable](https://discourse.openehr.org/t/gdl2-editor-problem-when-creating-a-guideline-with-the-same-archetype-instantiated-twice-as-output-variable/1958)

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**Author:** [@LoraineC](https://discourse.openehr.org/u/LoraineC)\
**Replies:** 2\
**Last updated:** [9 December 2021 14:59 UTC](https://discourse.openehr.org/t/gdl2-editor-problem-when-creating-a-guideline-with-the-same-archetype-instantiated-twice-as-output-variable/1958 "2021-12-09T14:59:05Z")

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We are trying to use the GDL2 editor to create some guidelines with recommendations. To create a rule with two topic and recommendation elements as the output, we instantiated the archetype openEHR-EHR-EVALUATION.recomme…