Deep entity creation is a type of POST call where you can make deep structure ( like a table or multiple table or a header data with multiple items ) .
Suppose you have an entity "Header" and another one "Filters" having cardinality 1:n an another entity "Responses" with 1:n .
you can trigger a POST with all the filters in "Filters" and get the reponses in "Responses". Have a look here
Step by Step development for CREATE_DEEP_ENTITY operation
Sreehari









