Hi,
I am using activiti designer version 5.12.0. I have created few custom tasks.
The service task xml of the custom task looks like this
<serviceTask id="servicetask5" name="Database Task" activiti:class="com.xyz.server.abc.SomeDelegation" activiti:extensionId="persistence.DBTaskModel">
<extensionElements>
<activiti:field name="evidenceRequired">
<activiti:string>false</activiti:string>
</activiti:field>
</extensionElements>
</serviceTask>
But when I copy and paste the same task in the same bpmn then the attribute class is getting missed.
<serviceTask id="servicetask9" name="Database Task" activiti:extensionId="persistence.DBTaskModel">
<extensionElements>
<activiti:field name="evidenceRequired">
<activiti:string>false</activiti:string>
</activiti:field>
</extensionElements>
</serviceTask>