# AWS::OpenSearchServerless::AccessPolicy Amazon OpenSearchServerless access policy resource ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{ "Type" : "AWS::OpenSearchServerless::AccessPolicy", "Properties" : { "Name" : String, "Type" : String, "Description" : String, "Policy" : String } }### YAML
Type: AWS::OpenSearchServerless::AccessPolicy Properties: Name: String Type: String Description: String Policy: String## Properties #### Name The name of the policy _Required_: Yes _Type_: String _Minimum_:
3
_Maximum_: 32
_Pattern_: ^[a-z][a-z0-9-]{2,31}$
_Update requires_: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
#### Type
The possible types for the access policy
_Required_: Yes
_Type_: String
_Allowed Values_: data
_Update requires_: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
#### Description
The description of the policy
_Required_: No
_Type_: String
_Minimum_: 1
_Maximum_: 1000
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
#### Policy
The JSON policy document that is the content for the policy
_Required_: Yes
_Type_: String
_Minimum_: 1
_Maximum_: 20480
_Pattern_: [\u0009\u000A\u000D\u0020-\u007E\u00A1-\u00FF]+
_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)