diff --git a/topics/ecology/tutorials/ndvi_openeo/workflows/main_workflow.ga b/topics/ecology/tutorials/ndvi_openeo/workflows/main_workflow.ga
new file mode 100644
index 00000000000000..8d3bead1b387dd
--- /dev/null
+++ b/topics/ecology/tutorials/ndvi_openeo/workflows/main_workflow.ga
@@ -0,0 +1 @@
+{"a_galaxy_workflow": "true", "annotation": "", "creator": [{"class": "Person", "identifier": "0009-0008-0622-604X", "name": "Marie Joss\u00e9", "url": "https://github.com/Marie59"}], "format-version": "0.1", "name": "NDVI with OpenEO", "steps": {"0": {"annotation": "", "content_id": "interactive_tool_copernicus_notebook", "errors": null, "id": 0, "input_connections": {}, "inputs": [], "label": null, "name": "Copernicus Data Space Ecosystem", "outputs": [{"name": "output_collection", "type": "input"}, {"name": "jupyter_notebook", "type": "ipynb"}], "position": {"left": 0, "top": 0}, "post_job_actions": {}, "tool_id": "interactive_tool_copernicus_notebook", "tool_state": "{\"__input_ext\": \"data\", \"chromInfo\": \"/opt/galaxy/tool-data/shared/ucsc/chrom/?.len\", \"input\": null, \"mode\": {\"mode_select\": \"scratch\", \"__current_case__\": 0}, \"__page__\": null, \"__rerun_remap_job_id__\": null}", "tool_version": "0.0.1", "type": "tool", "uuid": "0266bd4e-8767-4f1b-949d-d413ac698602", "when": null, "workflow_outputs": []}, "1": {"annotation": "", "content_id": "interactive_tool_holoviz", "errors": null, "id": 1, "input_connections": {"input": {"id": 0, "output_name": "output_collection"}}, "inputs": [], "label": null, "name": "Holoviz", "outputs": [{"name": "output_collection", "type": "input"}, {"name": "jupyter_notebook", "type": "ipynb"}], "position": {"left": 344, "top": 0}, "post_job_actions": {}, "tool_id": "interactive_tool_holoviz", "tool_state": "{\"__input_ext\": \"csv\", \"chromInfo\": \"/opt/galaxy/tool-data/shared/ucsc/chrom/?.len\", \"input\": {\"__class__\": \"ConnectedValue\"}, \"mode\": {\"mode_select\": \"scratch\", \"__current_case__\": 0}, \"__page__\": null, \"__rerun_remap_job_id__\": null}", "tool_version": "0.0.1", "type": "tool", "uuid": "b0ea1c4d-46bd-4d4f-9843-97e5251c3d8e", "when": null, "workflow_outputs": []}}, "tags": [], "uuid": "682acb50-b39b-43b2-9864-53adf1cae47d", "version": 2}
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