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5.22 get process instance creater in script task

Hi all.

I'm using activiti v5.22, and in script task i want assign creater username into my string.

I found one solution is use ${initiator}, but i can use in script task content;

ex: var message = "Hello " + ${initiator}.

How can I do this?

Many thanks.

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var message = "Hello " + execution.getVariable("initiator");

Activiti User Guide 8.5.2. Script Task

I have try, no error when execute, but result is NULL

message = "Helllo null";

If you set the initiator setting as the start event, you can get it.

initiator: identifies the variable name in which the authenticated user id will be stored when the process is started. Example:

Activiti User Guide 8.2.6. Start Events

1. initiator setting in bpmn

<startEvent id="request" activiti:initiator="initiator" />

2. If you set the above, you can get it with the following script.

var message = "Hello " + execution.getVariable("initiator");