## IssueType type [​](/content/docs/sdk/core.issuetype#issuetype-type "Direct link to IssueType type"/index.html)

**Signature:**

```typescript
export type IssueType = 'structure' | 'invariant' | 'processing' | 'required';
```  
- [IssueType type](/content/docs/sdk/core.issuetype#issuetype-type/index.html)