> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CSRBucketDesc

The **CSRBucketDesc** store provides canonical descriptions for the CSR buckets.

It is indexed by **Bucket**, **RiskClass**, and **AsOfDate**
and referenced from each of the [UnderlyingDescription](./underlying-desc) store by these three fields.

| Store Field    | Key | CanBeNull | Type                   | Description                                                        |
| -------------- | --- | --------- | ---------------------- | ------------------------------------------------------------------ |
| Bucket         | Y   |           | String                 | Bucket number.                                                     |
| RatingCategory |     |           | String                 | The canonical name for the bucket rating.                          |
| SectorCategory |     |           | String                 | The canonical name for the bucket sector.                          |
| RiskClass      | Y   |           | String                 | The risk class, "CSR non-Sec", "CSR Sec non-CTP", or "CSR Sec CTP" |
| AsOfDate       | Y   |           | LOCALDATE\[yyyy-mm-dd] | Timestamp (at close of business) for the data.                     |