# AWS::MemoryDB::User AuthenticationMode ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{
"Type" : String,
"Passwords" : [ String, ... ]
}
### YAML
Type: String
Passwords:
- String
## Properties
#### Type
Type of authentication strategy for this user.
_Required_: No
_Type_: String
_Allowed Values_: password
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
#### Passwords
Passwords used for this user account. You can create up to two passwords for each user.
_Required_: No
_Type_: List of String
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)