Use GetPolicy with a CLI - Amazon Lambda
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Use GetPolicy with a CLI

The following code examples show how to use GetPolicy.

CLI
Amazon CLI

To retrieve the resource-based IAM policy for a function, version, or alias

The following get-policy example displays policy information about the my-function Lambda function.

aws lambda get-policy \
    --function-name my-function

Output:

{
    "Policy": {
        "Version":"2012-10-17",		 	 	 
        "Id":"default",
        "Statement":
        [
            {
                "Sid":"iot-events",
                "Effect":"Allow",
                "Principal": {"Service":"iotevents.amazonaws.com"},
                "Action":"lambda:InvokeFunction",
                "Resource":"arn:aws:lambda:us-west-2:123456789012:function:my-function"
            }
        ]
    },
    "RevisionId": "93017fc9-59cb-41dc-901b-4845ce4bf668"
}

For more information, see Using Resource-based Policies for Amazon Lambda in the Amazon Lambda Developer Guide.

  • For API details, see GetPolicy in Amazon CLI Command Reference.

PowerShell
Tools for PowerShell V4

Example 1: This sample displays the Function policy of the Lambda function

Get-LMPolicy -FunctionName test -Select Policy

Output:

{"Version":"2012-10-17",		 	 	 "Id":"default","Statement":[{"Sid":"xxxx","Effect":"Allow","Principal":{"Service":"sns.amazonaws.com"},"Action":"lambda:InvokeFunction","Resource":"arn:aws:lambda:us-east-1:123456789102:function:test"}]}

  • For API details, see GetPolicy in Amazon Tools for PowerShell Cmdlet Reference (V4).

Tools for PowerShell V5

Example 1: This sample displays the Function policy of the Lambda function

Get-LMPolicy -FunctionName test -Select Policy

Output:

{"Version":"2012-10-17",		 	 	 "Id":"default","Statement":[{"Sid":"xxxx","Effect":"Allow","Principal":{"Service":"sns.amazonaws.com"},"Action":"lambda:InvokeFunction","Resource":"arn:aws:lambda:us-east-1:123456789102:function:test"}]}

  • For API details, see GetPolicy in Amazon Tools for PowerShell Cmdlet Reference (V5).

For a complete list of Amazon SDK developer guides and code examples, see Using Lambda with an Amazon SDK. This topic also includes information about getting started and details about previous SDK versions.