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).

# /greengrass/groups/GroupId/versions


## POST


 `POST /greengrass/groups/GroupId/versions`

Operation ID: [CreateGroupVersion](creategroupversion-post.md)

Creates a version of a group that has already been defined.

Produces: application/json

### Body Parameters


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

```
{
"CoreDefinitionVersionArn": "string",
"DeviceDefinitionVersionArn": "string",
"FunctionDefinitionVersionArn": "string",
"SubscriptionDefinitionVersionArn": "string",
"LoggerDefinitionVersionArn": "string",
"ResourceDefinitionVersionArn": "string",
"ConnectorDefinitionVersionArn": "string"
}
```  
GroupVersion  
Information about a group version.  
type: object  
CoreDefinitionVersionArn  
The ARN of the core definition version for this group.  
type: string  
DeviceDefinitionVersionArn  
The ARN of the client device definition version for this group.  
type: string  
FunctionDefinitionVersionArn  
The ARN of the function definition version for this group.  
type: string  
SubscriptionDefinitionVersionArn  
The ARN of the subscription definition version for this group.  
type: string  
LoggerDefinitionVersionArn  
The ARN of the logger definition version for this group.  
type: string  
ResourceDefinitionVersionArn  
The ARN of the resource definition version for this group.  
type: string  
ConnectorDefinitionVersionArn  
The ARN of the connector definition version for this group.  
type: string

### Header Parameters


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

### Path Parameters


[**GroupId**](parameters-groupidparam.md)  
The ID of the Greengrass group.  
where used: path; required: true  
type: string

### CLI


```
aws greengrass create-group-version \
  --group-id <value> \
  [--core-definition-version-arn <value>] \
  [--device-definition-version-arn <value>] \
  [--function-definition-version-arn <value>] \
  [--subscription-definition-version-arn <value>] \
  [--logger-definition-version-arn <value>] \
  [--resource-definition-version-arn <value>] \
  [--connector-definition-version-arn <value>] \
  [--amzn-client-token <value>]  \
  [--cli-input-json <value>] \
  [--generate-cli-skeleton]
```

cli-input-json format:

```
{
"GroupId": "string",
"CoreDefinitionVersionArn": "string",
"DeviceDefinitionVersionArn": "string",
"FunctionDefinitionVersionArn": "string",
"SubscriptionDefinitionVersionArn": "string",
"LoggerDefinitionVersionArn": "string",
"ResourceDefinitionVersionArn": "string",
"ConnectorDefinitionVersionArn": "string",
"AmznClientToken": "string"
}
```

### Responses


**200** (CreateGroupVersionResponse)  
Success. The response contains information about the group version.  
 [ 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

## GET


 `GET /greengrass/groups/GroupId/versions`

Operation ID: [ListGroupVersions](listgroupversions-get.md)

Lists the versions of a group.

Produces: application/json

### Path Parameters


[**GroupId**](parameters-groupidparam.md)  
The ID of the Greengrass group.  
where used: path; required: true  
type: string

### Query Parameters


[**NextToken**](parameters-nexttokenparam.md)  
The token for the next set of results, or `null` if there are no more results.  
where used: query; required: false  
type: string

[**MaxResults**](parameters-maxresultsparam.md)  
The maximum number of results to be returned per request.  
where used: query; required: false  
type: integer

### CLI


```
aws greengrass list-group-versions \
  --group-id <value> \
  [--next-token <value>] \
  [--max-results <value>]  \
  [--cli-input-json <value>] \
  [--generate-cli-skeleton]
```

cli-input-json format:

```
{
"GroupId": "string",
"NextToken": "string",
"MaxResults": "integer"
}
```

### Responses


**200** (ListGroupVersionsResponse)  
Success. The response contains the list of versions and metadata for the given group.  
 [ ListVersionsResponse](definitions-listversionsresponse.md)   

```
{
"Versions": [
  {
    "Arn": "string",
    "Id": "string",
    "Version": "string",
    "CreationTimestamp": "string"
  }
],
"NextToken": "string"
}
```  
ListVersionsResponse  
A list of versions.  
type: object  
Versions  
Information about a version.  
type: array  
items: [VersionInformation](definitions-versioninformation.md)  
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  
NextToken  
The token for the next set of results, or `null` if there are no more results.  
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