vbulletin 4 conversion

[rob01]

hello i have a question for calling username, userinfo in vb3 it was able to do with this

<br>Username: $ntcimpa[username]
<br>User ID Number: $ntcimpa[userid]
<br>User Registration IP Address: $ntcimpa[ipaddress]
<br>User IP Address for Selected Post: $postinfo[ipaddress]
<br>User Email: $spammerinfo[email]

<input type="hidden" name="postid" value="$ntcimpa[postid">
<input type="hidden" name="threadid" value="$ntcimpa[threadid">
<input type="hidden" name="userid" value="$ntcimpa[userid}">
<input type="hidden" name="reason" value="$vboptions[bbtitle]">

but now is

{vb:var ntcimpa.userid} right?

but im not sure how i should call ntcimpa with vb4