Each Article uses datasource underneath.
I'm using query to find CTA button of current item but it returns nothing.
query:.//Article Datasource/Article Top Content
.
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Sign up to join this communityYou need to escape the spaces. ./#Article Datasource#/#Article Top Content#
. Sitecore Query queries must be escaped when containing spaces.
See also:
./Article Datasource/Article Top Content/
will work.