[xwiki-users] Implement Jsontool.serialize in groovy

Hello Sirs, I need to implement the function "jsontool.serialize" in the code below, groovy, and I do not understand the error that is accusing, can help me solve this? {{groovy}}def hql0 = ", BaseObject as obj where doc.fullName = obj.name and obj.className = 'E-nova.E-novaClass'";def listProjetos = services.query.hql(hql0).execute();def json = ['totalprojetos': listProjetos.size(), 'projetos':[1000] , 'edges':[1000] ];def i = 0; for(item in listProjetos){ def hql = "select distinct list from BaseObject as obj, DBStringListProperty as prop join prop.list list where obj.className='XWiki.TagClass' and obj.id=prop.id.id and prop.id.name='tags' and obj.name ='$item' "; def tag = services.query.hql(hql).execute(); i = i + 1; json.projetos.add({ id: xwiki.getDocument(item).getName() })} jsontool.serialize(json); {{/groovy}} Ty. Atenciosamente, Eduardo Abritta e-mail: eduardo.abritta(a)outlook.com | cel: (32)8472-9631