# CustomDecodingSignal
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Information about signals using a custom decoding protocol as defined by the customer.

**Important**  
 AWS IoT FleetWise is no longer open to new customers. Existing customers can continue to use the service as normal. For more information, see [AWS IoT FleetWise availability change](https://docs.aws.amazon.com/iot-fleetwise/latest/developerguide/iotfleetwise-availability-change.html).

## Contents
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 ** id **   <a name="iotfleetwise-Type-CustomDecodingSignal-id"></a>
The ID of the signal.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 150.  
Pattern: `(?!.*\.\.)[a-zA-Z0-9_\-#:.]+`   
Required: Yes

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/iotfleetwise-2021-06-17/CustomDecodingSignal) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iotfleetwise-2021-06-17/CustomDecodingSignal) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iotfleetwise-2021-06-17/CustomDecodingSignal)