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Structured data works best when the presentation has a defined reporting question. Do not upload a large dataset without explaining which decisions, comparisons, or trends the deck should surface.

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Prepare the data

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Use structured data in the browser

Cloud and open-source Presenton accept structured source files through the attachment area, but the visible file list differs. Cloud’s live Generate screen advertises .csv, .xlsx, and .xls; the current open-source upload component also supports spreadsheet and delimited-data extensions including .xlsm, .ods, and .tsv. Attach the file and describe the analysis or comparison in the prompt. In the open-source browser flow, select an explicit language when attachments are present; follow the language control shown by Cloud.
Generate page with the attachment area and spreadsheet extensions
Attach a spreadsheet or CSV and check supported formats

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Use structured data through an API

The API contracts are product-specific. Cloud documentation includes JSON generation against selected Standard template layout schemas. Open-source deployments should use the self-hosted presentation endpoints and the live OpenAPI schema for the installed release. Do not copy a Cloud from-json request into the self-hosted v1 API without adapting it to that contract.

Cloud structured generation

Supply layout-specific JSON content for a Standard template.

Self-hosted API

Use the API documentation for the endpoints exposed by your deployment.

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Review generated analysis

  • Recalculate totals, percentages, and deltas independently.
  • Confirm chart axes, category order, and labels.
  • Check whether the presentation compares like-for-like periods and units.
  • Use tables when exact values matter and charts when patterns matter.
  • Remove fields that expose sensitive or unnecessary data.