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# AWS::IoTWireless::TaskDefinition LoRaWANUpdateGatewayTaskCreate
<a name="aws-properties-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate"></a>

The signature used to verify the update firmware.

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

### JSON
<a name="aws-properties-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-syntax.json"></a>

```
{
  "[CurrentVersion](#cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-currentversion)" : LoRaWANGatewayVersion,
  "[SigKeyCrc](#cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-sigkeycrc)" : Integer,
  "[UpdateSignature](#cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-updatesignature)" : String,
  "[UpdateVersion](#cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-updateversion)" : LoRaWANGatewayVersion
}
```

### YAML
<a name="aws-properties-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-syntax.yaml"></a>

```
  [CurrentVersion](#cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-currentversion): 
    LoRaWANGatewayVersion
  [SigKeyCrc](#cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-sigkeycrc): Integer
  [UpdateSignature](#cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-updatesignature): String
  [UpdateVersion](#cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-updateversion): 
    LoRaWANGatewayVersion
```

## Properties
<a name="aws-properties-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-properties"></a>

`CurrentVersion`  <a name="cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-currentversion"></a>
The version of the gateways that should receive the update.  
*Required*: No  
*Type*: [LoRaWANGatewayVersion](aws-properties-iotwireless-taskdefinition-lorawangatewayversion.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`SigKeyCrc`  <a name="cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-sigkeycrc"></a>
The CRC of the signature private key to check.  
*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)

`UpdateSignature`  <a name="cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-updatesignature"></a>
The signature used to verify the update firmware.  
*Required*: No  
*Type*: String  
*Minimum*: `1`  
*Maximum*: `4096`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`UpdateVersion`  <a name="cfn-iotwireless-taskdefinition-lorawanupdategatewaytaskcreate-updateversion"></a>
The firmware version to update the gateway to.  
*Required*: No  
*Type*: [LoRaWANGatewayVersion](aws-properties-iotwireless-taskdefinition-lorawangatewayversion.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)