This is the new *Amazon CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [Amazon CloudFormation User Guide](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::EFS::AccessPoint PosixUser
<a name="aws-properties-efs-accesspoint-posixuser"></a>

The full POSIX identity, including the user ID, group ID, and any secondary group IDs, on the access point that is used for all file system operations performed by NFS clients using the access point.

## Syntax
<a name="aws-properties-efs-accesspoint-posixuser-syntax"></a>

To declare this entity in your Amazon CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-efs-accesspoint-posixuser-syntax.json"></a>

```
{
  "[Gid](#cfn-efs-accesspoint-posixuser-gid)" : String,
  "[SecondaryGids](#cfn-efs-accesspoint-posixuser-secondarygids)" : [ String, ... ],
  "[Uid](#cfn-efs-accesspoint-posixuser-uid)" : String
}
```

### YAML
<a name="aws-properties-efs-accesspoint-posixuser-syntax.yaml"></a>

```
  [Gid](#cfn-efs-accesspoint-posixuser-gid): String
  [SecondaryGids](#cfn-efs-accesspoint-posixuser-secondarygids): 
    - String
  [Uid](#cfn-efs-accesspoint-posixuser-uid): String
```

## Properties
<a name="aws-properties-efs-accesspoint-posixuser-properties"></a>

`Gid`  <a name="cfn-efs-accesspoint-posixuser-gid"></a>
The POSIX group ID used for all file system operations using this access point.  
*Required*: Yes  
*Type*: String  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`SecondaryGids`  <a name="cfn-efs-accesspoint-posixuser-secondarygids"></a>
Secondary POSIX group IDs used for all file system operations using this access point.  
*Required*: No  
*Type*: Array of String  
*Minimum*: `0`  
*Maximum*: `16`  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)

`Uid`  <a name="cfn-efs-accesspoint-posixuser-uid"></a>
The POSIX user ID used for all file system operations using this access point.  
*Required*: Yes  
*Type*: String  
*Update requires*: [Replacement](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)