# Request types and common fields This page provides information about the types of service requests you can open using the Pismo Service Desk. ## Request types > 📘 Operational Level Agreements > > Each request type has an Operational Level Agreement (OLA) that defines the expected resolution time based on the issue's nature and urgency. The following table describes the different types of requests and their OLAs. **Note:** Table entries marked **N/A** indicate **Not Applicable**.
| Request type | Description | Operational Level Agreement (OLA) | Comments |
|---|---|---|---|
| Incident | A service, system, or application has failed or is not functioning correctly. | **Acknowledgement**: 15 minutes. **Mitigation**: Up to 4 hours for critical incidents; up to 3 business days for lower-priority incidents. | **Impacted**: Number of affected users. **Severity**: Severity of the incident (refer to |
| Occurrence/Event | Occurrence is the record of a bug, error, or suspected failure that requires IT support, without causing a broad or generalized service outage.\ It may involve impact to specific functionalities, access channels, or defined groups of users or clients. | 3 business days | |
| Sandbox | An issue is occurring in a sandbox or testing environment. | 7 business days | |
| Question | You have a general question or need clarification. | 7 business days | Describe the issue as best you can. This is the most important form field (refer to [Describing an issue](https://developers.pismo.io/pismo-docs/docs/describing-an-issue)). |
| Projects | You are suggesting an improvement, a new service, or new feature. | Varies according to prioritization and analysis. | **Scope**: Project objectives or functional specifications about the improvement/new feature. **Priority**: Priority of this project/new feature. |
| Performance Test | Refer to [Request a performance test](https://developers.pismo.io/pismo-docs/docs/requesting-a-performance-test). | N/A | |
| Deployment Window | You have a request related to the deployment window. | N/A | |
| Settings/Configuration | You have a request pertaining to existing programs in production, such as those affecting business rules, changing rates, spending controls, and so on. | 10 business days | Select your configuration category and subcategory. |