[Home](./index.md) > [@contract-case/case-boundary](./case-boundary.md) > [BoundaryResultTypeConstants](./case-boundary.boundaryresulttypeconstants.md)
## BoundaryResultTypeConstants class
Use these constants to determine what type of result a BoundaryResult is.
**Signature:**
```typescript
export declare class BoundaryResultTypeConstants
```
## Properties
| Property | Modifiers | Type | Description |
| --------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------ | -------------- | ------------------------------------------------------- |
| [RESULT_FAILURE](./case-boundary.boundaryresulttypeconstants.result_failure.md) | static
readonly
| (not declared) | This is a failure |
| [RESULT_SUCCESS_HAS_ANY_PAYLOAD](./case-boundary.boundaryresulttypeconstants.result_success_has_any_payload.md) | static
readonly
| (not declared) | This is a success type with an arbitrary object payload |
| [RESULT_SUCCESS_HAS_MAP_PAYLOAD](./case-boundary.boundaryresulttypeconstants.result_success_has_map_payload.md) | static
readonly
| (not declared) | This is a success type with a map payload |
| [RESULT_SUCCESS](./case-boundary.boundaryresulttypeconstants.result_success.md) | static
readonly
| (not declared) | This is a success type with no payload |