caml membership code example
Example: membership type= currentusergroups caml
<Or>
<Membership Type=\"CurrentUserGroups\">
<FieldRef Name=\"AssignedTo\"/>
</Membership>
<Eq>
<FieldRef Name=\"AssignedTo\"></FieldRef>
<Value Type=\"Integer\">
<UserID/>
</Value>
</Eq>
</Or>