# AmazonCreateDynamoDbBackupsParameters Object

## Description

Parameters for the Amazon Create DynamoDB Backups action.

## Properties

### backupName

Name of the backups to create.

Type: `string`

Required: Yes

### credentialIds

Registered credentials to use with the action. One and only one credential must be specified.

Type: Array of `string`

Required: Yes

### regionNames

Regions to use with the action. Omit (or specify `null`) to include "all regions".

Type: Array of `string`

Required: No

### resourceTagComparison <a href="#resourcetagcomparison" id="resourcetagcomparison"></a>

Comparison to use when identifying tables by resource tag. Required when `tableIdentificationMethod` is `by-resource-tag`.

Type: [ResourceTagComparison](/data-types/resourcetagcomparison-object-1.md) object.

Required: Conditional

### tableIdentificationMethod

Method used to select tables to be backed up.

Type: `string`

Valid Values:

* `all-tables`
* `by-table-name`
* `by-resource-tag`

Required: Yes

### tableNameComparison

Comparison to use when comparing by table name. Required when `tableIdentificationMethod` is `by-table-name`.

Type: [TableNameComparison](/data-types/tablenamecomparison-object.md) object

Required: Conditional

## Sample JSON

```javascript
{
    "credentialIds": [
        "cred-00000001"
    ],
    "regionNames": [
        "us-east-1",
        "us-east-2"
    ],
    
    "tableIdentificationMethod": "all-tables",
    
    "backupName": "$(TABLENAME)-$(DATE)"
}
```


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