## Default, vanilla fish item
$execute if predicate {condition:"minecraft:entity_properties",entity:"this",predicate:{slots:{"container.0":{items:"minecraft:$(name)"}}}} unless predicate {condition:"minecraft:entity_properties",entity:"this",predicate:{slots:{container.0:{predicates:{"minecraft:custom_data":{vb.item.fish:1b}}}}}} run scoreboard players set #VB vb.dummy2 $(value)