---
title: "Adds a regular expression entity model to a version of the application."
method: POST
path: "/apps/{appId}/versions/{versionId}/regexentities"
---

# Adds a regular expression entity model to a version of the application.

`POST /apps/{appId}/versions/{versionId}/regexentities`

## Path parameters

- `appId` string, uuid, required
- `versionId` string, required

## Request body

- RegexModelCreateObject — Model object for creating a regular expression entity model.
  - `regexPattern` string — The regular expression entity pattern.
  - `name` string — The model name.

## Response `201`

The ID of the created model.

- string, uuid — The ID (GUID) returned by an operation.

## Other responses

- `default` — Error Response.

---

[API](https://skmtc.net/azure/apis/luis-authoring-client.md) · [All operations](https://skmtc.net/azure/apis/luis-authoring-client/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/azure/luis-authoring-client/versions/a26a0f7e5a37/schema)