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

# Check Container Registry Name Availability

Checks whether the container registry name is available for use. The name must contain only alphanumeric characters, be globally unique, and between 5 and 50 characters in length.

<Note>
  External Documentation

  To learn more, visit the [Azure documentation](https://learn.microsoft.com/en-us/rest/api/container-registry/registries/check-name-availability?view=rest-container-registry-2019-05-01\&tabs=HTTP).
</Note>

## Parameters

<div className="integrations-table">
  | Parameter       | Description                                                                                                      |
  | --------------- | ---------------------------------------------------------------------------------------------------------------- |
  | Name            | The name of the container registry.                                                                              |
  | Subscription ID | The Microsoft Azure subscription ID.                                                                             |
  | Type            | The resource type of the container registry. This field must be set to 'Microsoft.ContainerRegistry/registries'. |
</div>

## Example Output

```json theme={"dark"}
{
	"message": "If any, the error message that provides more detail for the reason that the name is not available.",
	"nameAvailable": false,
	"reason": "If any, the reason that the name is not available."
}
```

## Workflow Library Example

[Check Container Registry Name Availability with Azure and Send Results Via Email](https://library.blinkops.com/workflows/check-container-registry-name-availability-with-azure-and-send-results-via-email)

<div className="iframe-wrapper">
  <div className="iframe-media">
    <img src="https://mintcdn.com/blinkops-2/ojHYuDeYX5FWuN8a/img/Icons/play-box.svg?fit=max&auto=format&n=ojHYuDeYX5FWuN8a&q=85&s=b8af968e71438a9499c3223c9bd29fb2" alt="Workflow Library" width="16" height="16" data-path="img/Icons/play-box.svg" />

    Preview this Workflow on desktop
  </div>

  <iframe className="iframe" src="https://library.blinkops.com/workflows/check-container-registry-name-availability-with-azure-and-send-results-via-email/canvas" />
</div>