How to use JSON variables in an Azure DevOps pipeline

Question

I'm not sure if this is possible as I've searched but couldn't find anything related, but didn't find anything saying it's not!

In my Azure DevOps build pipeline I have a variable which holds a JSON value e.g:

Is there anyway of using a value of a json variable within a task? I've tried (on the off chance) $(myJson.message) and $(myJson).message but these didn't work.

So do pipeline variables only support simple types? Or is there a way round this?

Do you mean get a task to transform a file that contains a json variable? Also, what's the task you're using and what's the goal? — Jabberwocky
– Jabberwocky, Commented Jan 31, 2019 at 16:01
Have you considered already using a powershell task to parse the variable and using a command to set a variable for use later in the pipeline? — Matt
– Matt, Commented Jan 31, 2019 at 20:09

moswald · Accepted Answer · 2019-04-16 20:25:48Z

1

You could always use something like powershell's Convert-FromJson to create a json object, but there's no way to tell a random task "treat this variable value as an object, rather than a raw string". You'll have to parse it yourself.

answered Apr 16, 2019 at 20:25

moswald

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