# LocationTimestamp
<a name="API_LocationTimestamp"></a>

Describes how to interpret an application-defined timestamp value from an MQTT message payload and the precision of that value.

## Contents
<a name="API_LocationTimestamp_Contents"></a>

 ** value **   <a name="iot-Type-LocationTimestamp-value"></a>
An expression that returns a long epoch time value.  
Type: String  
Required: Yes

 ** unit **   <a name="iot-Type-LocationTimestamp-unit"></a>
The precision of the timestamp value that results from the expression described in `value`.  
Valid values: `SECONDS` \$1 `MILLISECONDS` \$1 `MICROSECONDS` \$1 `NANOSECONDS`. The default is `MILLISECONDS`.  
Type: String  
Required: No

## See Also
<a name="API_LocationTimestamp_SeeAlso"></a>

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/iot-2015-05-28/LocationTimestamp) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iot-2015-05-28/LocationTimestamp) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iot-2015-05-28/LocationTimestamp)