# AWS::EC2::CapacityReservationFleet InstanceTypeSpecification

## Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

### JSON

<pre>
{
    "<a href="#instancetype" title="InstanceType">InstanceType</a>" : <i>String</i>,
    "<a href="#instanceplatform" title="InstancePlatform">InstancePlatform</a>" : <i>String</i>,
    "<a href="#weight" title="Weight">Weight</a>" : <i>Double</i>,
    "<a href="#availabilityzone" title="AvailabilityZone">AvailabilityZone</a>" : <i>String</i>,
    "<a href="#availabilityzoneid" title="AvailabilityZoneId">AvailabilityZoneId</a>" : <i>String</i>,
    "<a href="#ebsoptimized" title="EbsOptimized">EbsOptimized</a>" : <i>Boolean</i>,
    "<a href="#priority" title="Priority">Priority</a>" : <i>Integer</i>
}
</pre>

### YAML

<pre>
<a href="#instancetype" title="InstanceType">InstanceType</a>: <i>String</i>
<a href="#instanceplatform" title="InstancePlatform">InstancePlatform</a>: <i>String</i>
<a href="#weight" title="Weight">Weight</a>: <i>Double</i>
<a href="#availabilityzone" title="AvailabilityZone">AvailabilityZone</a>: <i>String</i>
<a href="#availabilityzoneid" title="AvailabilityZoneId">AvailabilityZoneId</a>: <i>String</i>
<a href="#ebsoptimized" title="EbsOptimized">EbsOptimized</a>: <i>Boolean</i>
<a href="#priority" title="Priority">Priority</a>: <i>Integer</i>
</pre>

## Properties

#### InstanceType

_Required_: No

_Type_: String

_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

#### InstancePlatform

_Required_: No

_Type_: String

_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

#### Weight

_Required_: No

_Type_: Double

_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

#### AvailabilityZone

_Required_: No

_Type_: String

_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

#### AvailabilityZoneId

_Required_: No

_Type_: String

_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

#### EbsOptimized

_Required_: No

_Type_: Boolean

_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

#### Priority

_Required_: No

_Type_: Integer

_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)