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# AmazonUpdateAutoScalingGroupsParameters Object

## Description

Parameters for the Amazon Update Auto Scaling Groups action.

## Properties

### credentialIds

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

Type: Array of `string`

Required: Yes

### desiredSize

Desired number of EC2 instances for the Auto Scaling group.

Type: `integer`

Required: No

### groupNameComparisons

List of comparisons to use when identifying Auto Scaling groups by their name. Cannot be specified if `groupNames` is specified.

Type: Array of [AmazonAutoScalingGroupNameComparison](/data-types/autoscalinggroupnamecomparison-object.md)

Required: No

### groupNames

Names of the Auto Scaling groups to update.

Type: Array of `string`

Required: No

### launchConfigurationName

Name of the launch configuration to assign to the Auto Scaling group.

Type: `string`

Required: No

### launchTemplateId

ID of the launch template to assign to the Auto Scaling group.

Type: `string`

Required: No

### launchTemplateName

Name of the launch template to assign to the Auto Scaling group.

Type: `string`

Required: No

### launchTemplateVersion

Version of the launch template to assign to the Auto Scaling group.

Type: `string`

Required: No

### maxSize

Maximum number of EC2 instances for the Auto Scaling group.

Type: `integer`

Required: No

### minSize

Minimum number of EC2 instances for the Auto Scaling group.

Type: `integer`

Required: No

### regionNames

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

Type: Array of `string`

Required: No

### resourceTagComparisons

List of resource tag comparisons to use when matching Auto Scaling groups.

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

Required: No

### restoreTimeInSeconds

Time (in seconds) after which the Auto Scaling groups will be restored to their original settings.

Type: `integer`

Required: No

## Sample JSON

```javascript
{
    "credentialIds": [
        "cred-00000001"
    ],
    "regionNames": [
        "us-east-1"
    ],

    "groupNames": [
        "group-1"
    ],
            
    "minSize": 0,
    "desiredSize": 0,

    "revertTimeInSeconds": 43200
}
```


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