How to spawn a Armour stand with a iron helmet on in a minecart?

I need a command that spawns a armor stand with an iron helmet inside of a minecart.

This is how to summon an armor stand inside of a minecart but I don't know how to add the iron helmet.

/summon minecart ~ ~ ~ {Passengers:[{id:"minecraft:armor_stand"}]}

Solution 1:

This can be done by setting the ArmorItems property of the passenger object:

ArmorItems:[{},{},{},{id:iron_helmet,Count:1b}]

As a full command:

/summon minecart ~ ~ ~ {Passengers:[{id:"minecraft:armor_stand", ArmorItems:[{},{},{},{id:iron_helmet,Count:1b}]}]}

I recommend looking at the wiki page Command NBT tags for more information on the Passengers object and other helpful tags.