[@webitel/api-services](../index.html) / [\_models](../modules/_models.html) / CasesCreateCaseRelatedCaseInput
# Interface: CasesCreateCaseRelatedCaseInput
Structure for related cases input when creating a case.
## Properties
### etag?
> `optional` **etag**: `string`
Etag of the related case.
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### relatedTo?
> `optional` **relatedTo**: `string`
Identifier of the related case.
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### relationType?
> `optional` **relationType**: [`CasesRelationType`](../types/_models.CasesRelationType.html)
Type of relation (e.g., duplicate, linked).