[xwiki-users] define a class for multiple documents

Hello, I have little question : I would like to define a class in a groovy macro in a document, create an instances of this class on another document and then access this instance on the first document. Is that possible to do? It would kinda look like this: First doc (Doc1): {{groovy}} public class Hello{ public printHello(){ println("HelloWorld!") } } Hello A = //get instance "FirstTest" of Hello from the doc2 A.printHello(); {{/groovy}} second doc (Doc2): {{groovy}} //import class definition from Doc1 Hello FirstTest = new Hello(); {{/groovy}} then the first document would output "HelloWorld! " Is that doable in any way?? Thanks in advance Adrien