Notion List Functions Quick Reference

Lists

Function	Purpose	Return value or alternative
`at()`	Get the item at a specific position	Any type
`first()`	First item	Any type
`last()`	Last item	Any type
`slice()`	Slice a list	List
`concat()`	Merge lists	List
`sort()`	Sort	List
`reverse()`	Reverse a list	List
`join()`	Convert a list to text	Text
`split()`	Split text into a list	List
`unique()`	Deduplicate	List
`includes()`	Check whether a list includes a value	Boolean
`find()`	Find the first item that matches a condition	Any type
`findIndex()`	Find the position of the first item that matches a condition	Number
`filter()`	Filter a list	List
`some()`	Whether at least one item matches a condition	Boolean
`every()`	Whether all items match a condition	Boolean
`map()`	Map a list	List
`flat()`	Flatten nested lists	List