# 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)