> ## 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.

# Vertices

Download sample file: [vertices.tsv](../tsv/vertices.tsv)

The file provides tenor grids - indexes and labels - for different risk classes

| Field            | Key | Nullable | Type                            | Description                                                                                                                                       | Example       |
| ---------------- | --- | -------- | ------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------- | ------------- |
| **AsOfDate**     | Y   | N        | String with format 'YYYY-MM-DD' | Value date                                                                                                                                        | 2018-09-28    |
| **ParameterSet** | Y   | Y        | String                          | Specifies the parameter set to which the parameter belongs to. If no ParameterSet is defined within the file, it will default to BCBS             | BCBS          |
| **Vertex**       | Y   | N        | Double                          | Tenor in years. Must be a tenor defined in regulatory calculation.                                                                                | 0.25          |
| RiskClass        | N   | N        | String                          | Risk class. Expected values for the SIMM risk types: commodity; credit non-qualifying; credit qualifying; equity; foreign exchange; interest rate | interest rate |
| **Index**        | Y   | N        | String, integer                 | Index of a vertex (tenor), used to sort vertices. Must be 0 for the first tenor.                                                                  | 2             |