Hi,
Is there something like a complete schema for what $search aggregation pipeline accepts? Let’s take the compound operator for example. I know what clauses can be used inside the compound operator, but i can’t find anywhere the information about what operators can be used inside the said clauses (must, must not etc).
Hello @Eduard_Clatinici ,
Welcome to The MongoDB Community Forums! 
Please take a look at below link to learn about the stages of $search aggregation pipeline.
Regards,
Tarun
ok, I saw that. But let’s take for example the embeddedDocument operator. What sub operator does it support? I searched in the entire documentation for this hoping I could find it. Thanks!
As I understand it, EmbeddedDocument’s supports all the operators
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