set %i:ITEMSTACK_POSSESSIVE% type [to] %mat:MATERIAL%
Changes the material type of an item stack.
set item's type to diamond_sword
Every distinct way you can write this pattern, with optional groups and choice groups expanded. Placeholders are shown as <name>.
set <i> type <mat>
set <i> type to <mat>
set %i:ITEMSTACK_POSSESSIVE% (display name|name) [to] %name:STRING%
set %i:ITEMSTACK_POSSESSIVE% lore [to] %lore:STRING%
add lore %line:STRING% to %i:ITEMSTACK%
(clear|remove|wipe) %i:ITEMSTACK_POSSESSIVE% lore
set %i:ITEMSTACK_POSSESSIVE% amount [to] %amt:INT%
set %i:ITEMSTACK_POSSESSIVE% custom model data [to] %val:INT%
make %i:ITEMSTACK% unbreakable
make %i:ITEMSTACK% breakable
set %i:ITEMSTACK_POSSESSIVE% durability [to] %val:INT%
set pdc %key:STRING% of %i:ITEMSTACK% to %val:STRING%
(remove|delete) pdc %key:STRING% from %i:ITEMSTACK%