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).

# GetResourceDefinition


Retrieves information about a resource definition, including its creation time and latest version.

URI: `GET /greengrass/definition/resources/ResourceDefinitionId`

Produces: application/json

## CLI:


```
aws greengrass get-resource-definition \
  --resource-definition-id <value>  \
  [--cli-input-json <value>] \
  [--generate-cli-skeleton]
```

cli-input-json format:

```
{
"ResourceDefinitionId": "string"
}
```

## Parameters:


[**ResourceDefinitionId**](parameters-resourcedefinitionidparam.md)  
The ID of the resource definition.  
where used: path; required: true  
type: string

## Responses:


**200** (GetResourceDefinitionResponse)  
Success.  
 [ DefinitionInformation](definitions-definitioninformation.md)   

```
{
"Name": "string",
"Id": "string",
"Arn": "string",
"tags": {
  "additionalProperty0": "string",
  "additionalProperty1": "string",
  "additionalProperty2": "string"
},
"LastUpdatedTimestamp": "string",
"CreationTimestamp": "string",
"LatestVersion": "string",
"LatestVersionArn": "string"
}
```  
DefinitionInformation  
Information about a definition.  
type: object  
Name  
The name of the definition.  
type: string  
Id  
The ID of the definition.  
type: string  
Arn  
The ARN of the definition.  
type: string  
tags  
The resource tags.  
type: object  
additionalProperties: The key-value pair for the resource tag. Type: string  
LastUpdatedTimestamp  
The time, in milliseconds since the epoch, when the definition was last updated.  
type: string  
CreationTimestamp  
The time, in milliseconds since the epoch, when the definition was created.  
type: string  
LatestVersion  
The ID of the latest version associated with the definition.  
type: string  
LatestVersionArn  
The ARN of the latest version associated with the definition.  
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