# ProjectIssueTypeHierarchy
## Properties
Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**project_id** | Option<**i64**> | The ID of the project. | [optional][readonly]
**hierarchy** | Option<[**Vec<crate::models::ProjectIssueTypesHierarchyLevel>**](ProjectIssueTypesHierarchyLevel.md)> | Details of an issue type hierarchy level. | [optional][readonly]
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