Solved
mashup template
Even if we created a mashup template, how to assign it to every mashup?? What is the use of mashup template entity?
Based on what I can read in the help center
You can't apply it to existing mashups.
It helps you get the starting layout you desire to work with, maybe if you were doing a lot of 'child mashups' that all had similar form factor or the same base services it speeds up things?
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