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).

# CreateDeviceDefinitionVersion
<a name="createdevicedefinitionversion-post"></a>

Creates a version of a client device definition that has already been defined.

URI: `POST /greengrass/definition/devices/DeviceDefinitionId/versions`

Produces: application/json

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

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

cli-input-json format:

```
{
"DeviceDefinitionId": "string",
"Devices": [
  {
    "Id": "string",
    "ThingArn": "string",
    "CertificateArn": "string",
    "SyncShadow": "boolean"
  }
],
"AmznClientToken": "string"
}
```

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

[**DeviceDefinitionId**](parameters-devicedefinitionidparam.md)  
The ID of the device definition.  
where used: path; required: true  
type: string

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

```
{
"Devices": [
  {
    "Id": "string",
    "ThingArn": "string",
    "CertificateArn": "string",
    "SyncShadow": true
  }
]
}
```
schema:    
DeviceDefinitionVersion  
Information about a device definition version.  
type: object  
Devices  
A list of client devices in the definition version.  
type: array  
items: [Device](definitions-device.md)  
Device  
Information about a client device.  
type: object  
required: ["Id", "ThingArn", "CertificateArn"]  
Id  
A descriptive or arbitrary ID for the client device. This value must be unique within the device definition version. Maximum length is 128 characters with the pattern `[a‑zA‑Z0‑9:_‑]+`.  
type: string  
ThingArn  
The thing ARN of the client device.  
type: string  
CertificateArn  
The ARN of the certificate associated with the client device.  
type: string  
SyncShadow  
If true, the client device's local shadow is synced with the cloud automatically.  
type: boolean

[**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="createdevicedefinitionversion-post-resp"></a>

**200** (CreateDeviceDefinitionVersionResponse)  
  
 [ 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