---
title: "Get the list of supported functions"
method: GET
path: "/functions"
---

# Get the list of supported functions

`GET /functions`

This operation returns the list of custom functions supported in CQL2 expressions.

## Response `200`

The list of custom functions supported in CQL2 expressions.

- Functions
  - `functions` object[], required
    - `name` string, required
    - `description` string
    - `metadataUrl` string, uri-reference
    - `arguments` object[]
      - `title` string
      - `description` string
      - `type` string[], required
    - `returns` string[], required

---

[API](https://skmtc.net/ogc/apis/building-blocks-specified-in-ogc-api-features-part-3-filteri.md) · [All operations](https://skmtc.net/ogc/apis/building-blocks-specified-in-ogc-api-features-part-3-filteri/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ogc/building-blocks-specified-in-ogc-api-features-part-3-filteri/revisions/234d3c1e7ab7/schema)