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

**Important**  
 AWS IoT FleetWise will no longer be open to new customers starting April 30, 2026. If you would like to use AWS IoT FleetWise, sign up prior to that date. 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\$1\$1](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)