bind sent -|- * rdbsent
proc rdbsent {hand nick filesent} {
 if {[lindex [split [file tail $filesent] .] 0] == "rdb"} {
  putlog "$nick got $filesent"
  file delete $filesent
 }
 return 1
}

returns the error

Tcl error in file 'eggdrop.conf':
bad type, should be one of: act, away, bcst, bot, chat, chjn, chof, chon, chpt, ctcp, ctcr, dcc, disc, evnt, filt, flud, join, kick, link, load, mode, msg, msgm, need, nick, nkch, notc, note, part, pub, pubm, raw, rejn, sign, splt, time, topc, unld, wall
while executing
"bind sent -|- * rdbsent"
(file "scripts/script.tcl" line 434)
invoked from within
"source scripts/script.tcl"
(file "eggdrop.conf" line 1345)