diff --git a/src/HexManiac.Core/Models/Code/constantReference.txt b/src/HexManiac.Core/Models/Code/constantReference.txt
index 17b7ff1a..475a17ba 100644
--- a/src/HexManiac.Core/Models/Code/constantReference.txt
+++ b/src/HexManiac.Core/Models/Code/constantReference.txt
@@ -354,6 +354,17 @@ AXVE1.data.pokemon.type.length*8 0A0214,0A0310
 AXPE1.data.pokemon.type.length+5 3C1235
 AXPE1.data.pokemon.type.length*8 0A0214,0A0310
 
+# number of item effects that link to type boost. See sHoldEffectToType
+AXVE0.data.pokemon.type.holdEffect.length-1   03BCD8
+AXPE0.data.pokemon.type.holdEffect.length-1   03BCD8
+AXVE1.data.pokemon.type.holdEffect.length-1   03BCD8
+AXPE1.data.pokemon.type.holdEffect.length-1   03BCD8
+BPRE0.data.pokemon.type.holdEffect.length-1   03EF40
+BPGE0.data.pokemon.type.holdEffect.length-1   03EF40
+BPRE1.data.pokemon.type.holdEffect.length-1   03EF54
+BPGE1.data.pokemon.type.holdEffect.length-1   03EF54
+BPEE0.data.pokemon.type.holdEffect.length-1   069778
+
 # trainer phone calls
 BPEE0.data.trainers.call.odds.normal 195E8E
 BPEE0.data.trainers.call.odds.lightningrod 195EAC
diff --git a/src/HexManiac.Core/Models/Code/tableReference.txt b/src/HexManiac.Core/Models/Code/tableReference.txt
index eb53d468..5b73c2ef 100644
--- a/src/HexManiac.Core/Models/Code/tableReference.txt
+++ b/src/HexManiac.Core/Models/Code/tableReference.txt
@@ -219,6 +219,7 @@ data.abilities.pickup.rareitems,             ,       ,       ,       ,       ,
 data.abilities.soundproof.moves,       018ABC, 018ABC, 018ABC, 018ABC, 01A67C, 01A67C, 01A690, 01A690, 042F70, [move:data.pokemon.moves.names]!FFFF
 data.pokemon.moves.egg,                041B44, 041B44, 041B64, 041B64, 045C50, 045C50, 045C64, 045C64, 0703F0, `egg`
 data.pokemon.type.chart,               01CDC8, 01CDC8, 01CDC8, 01CDC8, 01E944, 01E944, 01E958, 01E958, 047134, [attack.data.pokemon.type.names defend.data.pokemon.type.names strength.effectiveness]!FFFF00
+data.pokemon.type.holdEffects,         03BCD0, 03BCD0, 03BCD0, 03BCD0, 03EF38, 03EF38, 03EF4C, 03EF4C, 069770, [effect. type.data.pokemon.type.names]data.pokemon.type.holdEffect.length
 data.pokemon.natures.stats,                  ,       ,       ,       , 0436D8, 0436D8, 0436EC, 0436EC,        , [attack.|z defense.|z speed.|z spAttack.|z spDefense.|z]data.pokemon.natures.names
 data.pokemon.swarm,                          ,       ,       ,       ,       ,       ,       ,       , 0ED800, [pokemon:data.pokemon.names move1:data.pokemon.moves.names move2:data.pokemon.moves.names move3:data.pokemon.moves.names move4:data.pokemon.moves.names level. location.]5