# ElasticFileSystemTagProperty

A tag is a key-value pair attached to a file system.

Allowed characters in the `Key` and `Value` properties are letters, white space, and numbers that can be represented in UTF-8, and the following characters: `+ - = . _ : /`

- Source: Generated code
- Type last changed: v2.93.0 · 23 Aug 2023

## Example

```ts
// The code below shows an example of how to instantiate this type.
// The values are placeholders you should change.
import { aws_efs as efs } from 'aws-cdk-lib';
const elasticFileSystemTagProperty: efs.CfnFileSystem.ElasticFileSystemTagProperty = {
  key: 'key',
  value: 'value',
};
```

## Properties

- `key`: string (required) — The tag key (String).

  The key can't start with `aws:` .

- `value`: string (required) — The value of the tag key.