> For the complete documentation index, see [llms.txt](https://developer.collibra.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.collibra.com/api/guides/working-with-the-import-api-v2/validation/operation-specific-validation.md).

# Operation specific validation

For each operation, the validation checks that the fields have names or IDs defined. The identifiers of the resources used to identify another resource are also [validated](/api/guides/working-with-the-import-api-v2/validation/operation-identifier-validation.md).

Note the following character limits for names:

| Resource type                    | Number of characters |
| -------------------------------- | -------------------- |
| Asset                            | 1 - 2 000            |
| Domain                           | 1 - 255              |
| Community                        | 1 - 255              |
| External system ID               | 1 - 36               |
| External entity ID               | 1 - 255              |
| Other resource types or statuses | 1 - 255              |


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