<a id="cli-aws-lambda-add-permission"></a>

# add-permission

## Description

Grants a [principal](https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_elements_principal.html#Principal_specifying) permission to use a function. You can apply the policy at the function level, or specify a qualifier to restrict access to a single version or alias. If you use a qualifier, the invoker must use the full Amazon Resource Name (ARN) of that version or alias to invoke the function. Note: Lambda does not support adding policies to version $LATEST.

To grant permission to another account, specify the account ID as the `Principal` . To grant permission to an organization defined in Organizations, specify the organization ID as the `PrincipalOrgID` . For Amazon Web Services services, the principal is a domain-style identifier that the service defines, such as `s3.amazonaws.com` or `sns.amazonaws.com` . For Amazon Web Services services, you can also specify the ARN of the associated resource as the `SourceArn` . If you grant permission to a service principal without specifying the source, other accounts could potentially configure resources in their account to invoke your Lambda function.

This operation adds a statement to a resource-based permissions policy for the function. For more information about function policies, see [Using resource-based policies for Lambda](https://docs.aws.amazon.com/lambda/latest/dg/access-control-resource-based.html) .

See also: [AWS API Documentation](https://docs.aws.amazon.com/goto/WebAPI/lambda-2015-03-31/AddPermission)

## Synopsis

```
  add-permission
--function-name <value>
--statement-id <value>
--action <value>
--principal <value>
[--source-arn <value>]
[--function-url-auth-type <value>]
[--invoked-via-function-url | --no-invoked-via-function-url]
[--source-account <value>]
[--event-source-token <value>]
[--qualifier <value>]
[--revision-id <value>]
[--principal-org-id <value>]
[--cli-input-json | --cli-input-yaml]
[--generate-cli-skeleton <value>]
[--debug]
[--endpoint-url <value>]
[--no-verify-ssl]
[--no-paginate]
[--output <value>]
[--query <value>]
[--profile <value>]
[--region <value>]
[--version <value>]
[--color <value>]
[--no-sign-request]
[--ca-bundle <value>]
[--cli-read-timeout <value>]
[--cli-connect-timeout <value>]
[--cli-binary-format <value>]
[--no-cli-pager]
[--cli-auto-prompt]
[--no-cli-auto-prompt]
[--cli-error-format <value>]
```

## Options

`--function-name` (string) [required]

> The name or ARN of the Lambda function, version, or alias.

> > **Name formats**
> * **Function name** – `my-function` (name-only), `my-function:v1` (with alias).
> * **Function ARN** – `arn:aws:lambda:us-west-2:123456789012:function:my-function` .
> * **Partial ARN** – `123456789012:function:my-function` .

> You can append a version number or alias to any of the formats. The length constraint applies only to the full ARN. If you specify only the function name, it is limited to 64 characters in length.

> Constraints:

> * min: `1`
> * max: `256`
> * pattern: `(arn:(aws[a-zA-Z-]*)?:lambda:)?((eusc-)?[a-z]{2}((-gov)|(-iso([a-z]?)))?-[a-z]+-\d{1}:)?(\d{12}:)?(function:)?([a-zA-Z0-9-_\.]+)(:(\$LATEST(\.PUBLISHED)?|[a-zA-Z0-9-_]+))?`

`--statement-id` (string) [required]

> A statement identifier that differentiates the statement from others in the same policy.

> Constraints:

> * min: `1`
> * max: `100`
> * pattern: `([a-zA-Z0-9-_]+)`

`--action` (string) [required]

> The action that the principal can use on the function. For example, `lambda:InvokeFunction` or `lambda:GetFunction` .

> Constraints:

> * min: `0`
> * max: `10000`
> * pattern: `(lambda:[*]|lambda:[a-zA-Z]+|[*])`

`--principal` (string) [required]

> The Amazon Web Services service, Amazon Web Services account, IAM user, or IAM role that invokes the function. If you specify a service, use `SourceArn` or `SourceAccount` to limit who can invoke the function through that service.

> Constraints:

> * min: `0`
> * max: `2048`
> * pattern: `[^\s]+`

`--source-arn` (string)

> For Amazon Web Services services, the ARN of the Amazon Web Services resource that invokes the function. For example, an Amazon S3 bucket or Amazon SNS topic.

> Note that Lambda configures the comparison using the `StringLike` operator.

> Constraints:

> * min: `0`
> * max: `10000`
> * pattern: `arn:(aws[a-zA-Z0-9-]*):([a-zA-Z0-9\-])+:((eusc-)?[a-z]{2}((-gov)|(-iso([a-z]?)))?-[a-z]+-\d{1})?:(\d{12})?:(.*)`

`--function-url-auth-type` (string)

> The type of authentication that your function URL uses. Set to `AWS_IAM` if you want to restrict access to authenticated users only. Set to `NONE` if you want to bypass IAM authentication to create a public endpoint. For more information, see [Control access to Lambda function URLs](https://docs.aws.amazon.com/lambda/latest/dg/urls-auth.html) .

> Possible values:

> * `NONE`
> * `AWS_IAM`

`--invoked-via-function-url` | `--no-invoked-via-function-url` (boolean)

> Indicates whether the permission applies when the function is invoked through a function URL.

`--source-account` (string)

> For Amazon Web Services service, the ID of the Amazon Web Services account that owns the resource. Use this together with `SourceArn` to ensure that the specified account owns the resource. It is possible for an Amazon S3 bucket to be deleted by its owner and recreated by another account.

> Constraints:

> * min: `0`
> * max: `12`
> * pattern: `\d{12}`

`--event-source-token` (string)

> For Alexa Smart Home functions, a token that the invoker must supply.

> Constraints:

> * min: `0`
> * max: `256`
> * pattern: `[a-zA-Z0-9._\-]+`

`--qualifier` (string)

> Specify a version or alias to add permissions to a published version of the function.

> Constraints:

> * min: `1`
> * max: `128`
> * pattern: `\$(LATEST(\.PUBLISHED)?)|[a-zA-Z0-9-_$]+`

`--revision-id` (string)

> Update the policy only if the revision ID matches the ID that’s specified. Use this option to avoid modifying a policy that has changed since you last read it.

`--principal-org-id` (string)

> The identifier for your organization in Organizations. Use this to grant permissions to all the Amazon Web Services accounts under this organization.

> Constraints:

> * min: `12`
> * max: `34`
> * pattern: `o-[a-z0-9]{10,32}`

`--cli-input-json` | `--cli-input-yaml` (string)
Reads arguments from the JSON string provided. The JSON string follows the format provided by `--generate-cli-skeleton`. If other arguments are provided on the command line, those values will override the JSON-provided values. It is not possible to pass arbitrary binary values using a JSON-provided value as the string will be taken literally. This may not be specified along with `--cli-input-yaml`.

`--generate-cli-skeleton` (string)
Prints a JSON skeleton to standard output without sending an API request. If provided with no value or the value `input`, prints a sample input JSON that can be used as an argument for `--cli-input-json`. Similarly, if provided `yaml-input` it will print a sample input YAML that can be used with `--cli-input-yaml`. If provided with the value `output`, it validates the command inputs and returns a sample output JSON for that command. The generated JSON skeleton is not stable between versions of the AWS CLI and there are no backwards compatibility guarantees in the JSON skeleton generated.

## Global Options

`--debug` (boolean)

Turn on debug logging.

`--endpoint-url` (string)

Override command’s default URL with the given URL.

`--no-verify-ssl` (boolean)

By default, the AWS CLI uses SSL when communicating with AWS services. For each SSL connection, the AWS CLI will verify SSL certificates. This option overrides the default behavior of verifying SSL certificates.

`--no-paginate` (boolean)

Disable automatic pagination. If automatic pagination is disabled, the AWS CLI will only make one call, for the first page of results.

`--output` (string)

The formatting style for command output.

* json
* text
* table
* yaml
* yaml-stream
* off

`--query` (string)

A JMESPath query to use in filtering the response data.

`--profile` (string)

Use a specific profile from your credential file.

`--region` (string)

The region to use. Overrides config/env settings.

`--version` (string)

Display the version of this tool.

`--color` (string)

Turn on/off color output.

* on
* off
* auto

`--no-sign-request` (boolean)

Do not sign requests. Credentials will not be loaded if this argument is provided.

`--ca-bundle` (string)

The CA certificate bundle to use when verifying SSL certificates. Overrides config/env settings.

`--cli-read-timeout` (int)

The maximum socket read time in seconds. If the value is set to 0, the socket read will be blocking and not timeout. The default value is 60 seconds.

`--cli-connect-timeout` (int)

The maximum socket connect time in seconds. If the value is set to 0, the socket connect will be blocking and not timeout. The default value is 60 seconds.

`--cli-binary-format` (string)

The formatting style to be used for binary blobs. The default format is base64. The base64 format expects binary blobs to be provided as a base64 encoded string. The raw-in-base64-out format preserves compatibility with AWS CLI V1 behavior and binary values must be passed literally. When providing contents from a file that map to a binary blob `fileb://` will always be treated as binary and use the file contents directly regardless of the `cli-binary-format` setting. When using `file://` the file contents will need to properly formatted for the configured `cli-binary-format`.

* base64
* raw-in-base64-out

`--no-cli-pager` (boolean)

Disable cli pager for output.

`--cli-auto-prompt` (boolean)

Automatically prompt for CLI input parameters.

`--no-cli-auto-prompt` (boolean)

Disable automatically prompt for CLI input parameters.

`--cli-error-format` (string)

The formatting style for error output. By default, errors are displayed in enhanced format.

* legacy
* json
* yaml
* text
* table
* enhanced

## Examples

#### NOTE
To use the following examples, you must have the AWS CLI installed and configured. See the [Getting started guide](https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-getting-started.html) in the *AWS CLI User Guide* for more information.

Unless otherwise stated, all examples have unix-like quotation rules. These examples will need to be adapted to your terminal’s quoting rules. See [Using quotation marks with strings](https://docs.aws.amazon.com/cli/latest/userguide/cli-usage-parameters-quoting-strings.html) in the *AWS CLI User Guide* .

**To add permissions to an existing Lambda function**

The following `add-permission` example grants the Amazon SNS service permission to invoke a function named `my-function`.

```bash
aws lambda add-permission \
    --function-name my-function \
    --action lambda:InvokeFunction \
    --statement-id sns \
    --principal sns.amazonaws.com
```

Output:

```json
{
    "Statement": "{\"Sid\":\"sns\",\"Effect\":\"Allow\",\"Principal\":{\"Service\":\"sns.amazonaws.com\"},\"Action\":\"lambda:InvokeFunction\",\"Resource\":\"arn:aws:lambda:us-west-2:123456789012:function:my-function\"}"
}
```

For more information, see [Using Resource-based Policies for AWS Lambda](https://docs.aws.amazon.com/lambda/latest/dg/access-control-resource-based.html) in the *AWS Lambda Developer Guide*.

## Output

Statement -> (string)

> The permission statement that’s added to the function policy.