apoc.map.setEntry

In APOC 2025.06, this function was removed from the APOC Core library. Use apoc.map.setKey instead.

If you are using APOC 2025.06 or later, the function is not available in Cypher 25 but can still be used with Cypher 5. For more information, see APOC and Cypher versions.

Details
Syntax	`apoc.map.setEntry(map, key, value)`
Description	Adds or updates the given entry in the `MAP`.
Arguments	Name	Type	Description
	`map`	`MAP`	The map to be updated.
	`key`	`STRING`	The key to add or update the map with.
	`value`	`ANY`	The value to set the given key to.
Returns	`MAP`

Usage Examples

The following updates a key in a map:

RETURN apoc.map.setEntry(
    {name:"Cristiano Ronaldo",country:"Portugal",dob:date("1985-02-05")},
    "dob",
    date("1986-02-06")
) AS output;

Results
Output
`{ "name": "Cristiano Ronaldo", "country": "Portugal", "dob": "1986-02-06" }`