apoc.convert.toRelationshipList
Function

Details
Syntax	`apoc.convert.toRelationshipList(relList)`
Description	Converts the given value into a `LIST<RELATIONSHIP>`.
Arguments	Name	Type	Description
	`relList`	`ANY`	The value to convert into a relationship list.
Returns	`LIST<ANY>`

Example

Given this dataset:

CREATE (:Person {name: 'Alice'})-[:KNOWS]->(:Person {name: 'Bob'})
CREATE (:Person {name: 'Charlie'})-[:KNOWS]->(:Person {name: 'Dave'})

The following query uses apoc.convert.toRelationshipList to cast a generic list to a LIST<RELATIONSHIP>:

MATCH ()-[r:KNOWS]->()
WITH collect(r) AS rels
RETURN apoc.convert.toRelationshipList(rels) AS relationships

Results
relationships
[[:KNOWS], [:KNOWS]]