> For the complete documentation index, see [llms.txt](https://docs.zerolabs.green/zerolabs-tokenization-module/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zerolabs.green/zerolabs-tokenization-module/domain-definitions/smart-contracts/certificate-registry/claim-data.md).

# Claim data

When a Certificate is claimed, we can attach a certain type of **data to the claim**.

This claim data can differ from topic to topic.\
\
For topic #1, an example of the claim data would be the following:

```json
{
  beneficiary: "Benefactor 123",
  region: "EU",
  countryCode: "HR",
  periodStartDate: "2021-01-01",
  periodEndDate: "2021-12-31",
  purpose: "Sustainability reporting",
  consumptionEntityID: "EXAMPLE_DEVICE_ID",
  proofID: "123e4567-e89b-12d3-a456-426614174000",
}
```