There is some info here.
Summary is that this is not available in Session Relevance but possible via the REST API.
Example:
https://localhost:52311/api/action/399/status
<?xml version="1.0" encoding="UTF-8"?>
<BESAPI xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="BESAPI.xsd">
<ActionResults Resource="https://localhost:52311/api/action/399/status">
<ActionID>399</ActionID>
<Status>Expired</Status>
<DateIssued>Mon, 04 May 2015 01:09:51 +0000</DateIssued>
<Computer ID="11577043" Name="TINTIN">
<Status>The action executed successfully.</Status>
<State IsError="0">3</State>
<ExitCode>0</ExitCode>
<ApplyCount>1</ApplyCount>
<RetryCount>1</RetryCount>
<LineNumber>42</LineNumber>
<StartTime>Mon, 04 May 2015 01:11:16 +0000</StartTime>
<EndTime>Mon, 04 May 2015 01:11:57 +0000</EndTime>
</Computer>
</ActionResults>
</BESAPI>