apoc.coll.insert

Details
Syntax	`apoc.coll.insert(coll, index, value)`
Description	Inserts a value into the specified index in the `LIST<ANY>`.
Arguments	Name	Type	Description
	`coll`	`LIST<ANY>`	The list to insert a value into.
	`index`	`INTEGER`	The position in the list to insert the given value.
	`value`	`ANY`	The value to be inserted.
Returns	`LIST<ANY>`

Usage examples

The following examples insert the value 11 at index 3 in the list using both APOC and Cypher:

apoc.coll.insert

WITH [1,3,5,7,9] AS originalList, 3 AS index, 11 AS itemToInsert
RETURN apoc.coll.insert(originalList, index, itemToInsert) AS output;

Using Cypher’s list concatenation

WITH [1,3,5,7,9] AS originalList, 3 AS index, 11 AS itemToInsert
RETURN originalList[0..index] + itemToInsert + originalList[index..] AS output

Results
Output
[1, 3, 5, 11, 7, 9]