In Service Studio you can expose Structures owned by your eSpace to be used by a different one. In this context, eSpaces are called Producer and Consumer, respectively.
How to expose a structure
In the Producer eSpace, simply set the Public property of your structure to Yes. How?
You cannot expose a structure of your eSpace if:
In these situations, an error message is presented and the eSpace is not valid.
Extensions are also Producers. Their Structures are automatically exposed when the connected user has access rights to the Extension itself.
Use Structure References | Structure Properties