Hi Jeff,

Config values can use {{var}} to dynamically replace var with the corresponding 
python variable, typically defined in params.py or params_linux.py that 
corresponds to that service.
I hope this answers your question.
What is the config type, property name, and full value you are trying to set?

Thanks,
Alejandro

From: Jeff Zemerick <[email protected]<mailto:[email protected]>>
Reply-To: "[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>
Date: Friday, June 16, 2017 at 8:51 AM
To: "[email protected]<mailto:[email protected]>" 
<[email protected]<mailto:[email protected]>>
Subject: Ambari property value replacement

Hi all, I'm somewhat new to Ambari and I'm configuring a blueprint. I'm 
wondering exactly how the {{values}} get replaced. For instance, I want to 
specify a value for {{nifi_initial_admin_id}} in the blueprint. What is the 
correct/best way to do this? Apologies if I missed this somewhere in the 
documentation.

Thanks,
Jeff

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