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    Type:Feature Request 
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    Resolution: Fixed
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    Priority:L3 - Default 
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    Affects Version/s: None
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    Component/s: external task client js
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    None
User Story (Required on creation):
I want to be able to easily set transient variables via an API in the External Task Client JavaScript.
Functional Requirements (Required before implementation):
There is a function that allows to set a transient variable via name and value.
Technical Requirements (Required before implementation):
Limitations of Scope (Optional):
Hints (optional):
Created on behalf of https://github.com/camunda/camunda-external-task-client-js/pull/244