Groovy
Retrieve the first object (index [0]) among all objects attached to this page and class XWikiComments
com.xpn.xwiki.api.Object@18f758ab
Retrieve all objects attached to this page and of class XWikiComments
[com.xpn.xwiki.api.Object@304b8856, com.xpn.xwiki.api.Object@2ee3dedf, com.xpn.xwiki.api.Object@723d1a85, com.xpn.xwiki.api.Object@9984c5b, com.xpn.xwiki.api.Object@6dbcef48, com.xpn.xwiki.api.Object@f019841, com.xpn.xwiki.api.Object@31b2db19, com.xpn.xwiki.api.Object@554e5fcc, com.xpn.xwiki.api.Object@c7375d5]
Retrieve all objects attached to this page and of class XWikiComments and one of their properties
objsAuthors = doc.getObjects('XWiki.XWikiComments').author
objsAuthor = doc.getObjects('XWiki.XWikiComments')[2].author
println objs[0].author
println objsAuthors
println objsAuthor