End of support notice: On October 7th, 2026, AWS will discontinue support for AWS IoT Greengrass Version 1. After October 7th, 2026, you will no longer be able to access the AWS IoT Greengrass V1 resources. For more information, please visit [Migrate from AWS IoT Greengrass Version 1](https://docs.aws.amazon.com/greengrass/v2/developerguide/migrate-from-v1.html).

# CreateSubscriptionDefinitionVersion
<a name="createsubscriptiondefinitionversion-post"></a>

Creates a version of a subscription definition that has already been defined.

URI: `POST /greengrass/definition/subscriptions/SubscriptionDefinitionId/versions`

Produces: application/json

## CLI:
<a name="createsubscriptiondefinitionversion-post-cli"></a>

```
aws greengrass create-subscription-definition-version \
  --subscription-definition-id <value> \
  [--subscriptions <value>] \
  [--amzn-client-token <value>]  \
  [--cli-input-json <value>] \
  [--generate-cli-skeleton]
```

cli-input-json format:

```
{
"SubscriptionDefinitionId": "string",
"Subscriptions": [
  {
    "Id": "string",
    "Source": "string",
    "Subject": "string",
    "Target": "string"
  }
],
"AmznClientToken": "string"
}
```

## Parameters:
<a name="createsubscriptiondefinitionversion-post-params"></a>

[**SubscriptionDefinitionId**](parameters-subscriptiondefinitionidparam.md)  
The ID of the subscription definition.  
where used: path; required: true  
type: string

[**CreateSubscriptionDefinitionVersionRequestBody**](parameters-createsubscriptiondefinitionversionrequestbody.md)  
  
where used: body; required: true  

```
{
"Subscriptions": [
  {
    "Id": "string",
    "Source": "string",
    "Subject": "string",
    "Target": "string"
  }
]
}
```
schema:    
SubscriptionDefinitionVersion  
Information about a subscription definition version.  
type: object  
Subscriptions  
A list of subscriptions.  
type: array  
items: [Subscription](definitions-subscription.md)  
Subscription  
Information about a subscription.  
type: object  
required: ["Id", "Source", "Subject", "Target"]  
Id  
A descriptive or arbitrary ID for the subscription. This value must be unique within the subscription definition version. Maximum length is 128 characters with the pattern `[a‑zA‑Z0‑9:_‑]+`.  
type: string  
Source  
The source of the subscription. Can be a thing ARN, the ARN of a Lambda function alias (recommended) or version, a connector ARN, 'cloud' (which represents AWS IoT), or 'GGShadowService'. If you specify a Lambda function, this ARN should match the ARN used to add the function to the Greengrass group.  
type: string  
Subject  
The MQTT topic used to route the message.  
type: string  
Target  
Where the message is sent. Can be a thing ARN, the ARN of a Lambda function alias (recommended) or version, a connector ARN, 'cloud' (which represents AWS IoT), or 'GGShadowService'. If you specify a Lambda function, this ARN should match the ARN used to add the function to the Greengrass group.  
type: string

[**X-Amzn-Client-Token**](parameters-clienttoken.md)  
A client token used to correlate requests and responses.  
where used: header; required: false  
type: string

## Responses:
<a name="createsubscriptiondefinitionversion-post-resp"></a>

**200** (CreateSubscriptionDefinitionVersionResponse)  
  
 [ VersionInformation](definitions-versioninformation.md)   

```
{
"Arn": "string",
"Id": "string",
"Version": "string",
"CreationTimestamp": "string"
}
```  
VersionInformation  
Information about a version.  
type: object  
Arn  
The ARN of the version.  
type: string  
Id  
The ID of the parent definition that the version is associated with.  
type: string  
Version  
The ID of the version.  
type: string  
CreationTimestamp  
The time, in milliseconds since the epoch, when the version was created.  
type: string

**400**  
Invalid request.  
 [ GeneralError](definitions-generalerror.md)   

```
{
"Message": "string",
"ErrorDetails": [
  {
    "DetailedErrorCode": "string",
    "DetailedErrorMessage": "string"
  }
]
}
```  
GeneralError  
General error information.  
type: object  
required: ["Message"]  
Message  
A message that contains information about the error.  
type: string  
ErrorDetails  
A list of error details.  
type: array  
items: [ErrorDetail](definitions-errordetail.md)  
ErrorDetail  
Details about the error.  
type: object  
DetailedErrorCode  
A detailed error code.  
type: string  
DetailedErrorMessage  
A detailed error message.  
type: string