# Nested Blocks

> Build a sales report with a merge block inside a merge block: nested JSON arrays, a datasource excerpt, the template editor, a curl request and the .NET SDK.

- **Product:** ReportingCloud
- **Section:** Documentation
- **Kind:** Topic
- **Path:** ReportingCloud > Mail Merge > Nested Blocks
- **Web URL:** https://docs.textcontrol.com/reporting-cloud/mail-merge/nested-blocks/
- **LLMs URL:** https://docs.textcontrol.com/reporting-cloud/mail-merge/nested-blocks/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/reporting-cloud/mail-merge/nested-blocks/llms-full.txt

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## On This Page

- [How Nested Blocks Work](https://docs.textcontrol.com/reporting-cloud/mail-merge/nested-blocks/#how-nested-blocks-work)
- [Shape the Data](https://docs.textcontrol.com/reporting-cloud/mail-merge/nested-blocks/#shape-the-data)
- [Create the Datasource Excerpt](https://docs.textcontrol.com/reporting-cloud/mail-merge/nested-blocks/#create-the-datasource-excerpt)
- [Design the Template](https://docs.textcontrol.com/reporting-cloud/mail-merge/nested-blocks/#design-the-template)
- [Merge the Report](https://docs.textcontrol.com/reporting-cloud/mail-merge/nested-blocks/#merge-the-report)
- [Handle Levels Without Data](https://docs.textcontrol.com/reporting-cloud/mail-merge/nested-blocks/#handle-levels-without-data)
- [Next Steps](https://docs.textcontrol.com/reporting-cloud/mail-merge/nested-blocks/#next-steps)

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## Nearby

- **Previous:** [Merge Blocks](https://docs.textcontrol.com/reporting-cloud/mail-merge/blocks/llms.txt)
- **Next:** [Images](https://docs.textcontrol.com/reporting-cloud/mail-merge/images/llms.txt)