K-hop

**Table 1** parameters parameter descriptions
Parameter	Mandatory	Description	Type	Value Range	Default Value
k	Yes	Number of hops	Integer	1 to 100	-
num_thread	No	Integer	Number of concurrent threads. The value ranges from 1 to 40. If the value is less than 1, it is automatically set to 1. If the value is greater than 40, it is automatically set to 40. The default value is 4.	-	-
source	Yes	Vertex ID	String	-	-
mode	No	Direction OUT: Hop from the outgoing edges IN: Hop from the incoming edges All: Hop from edges in both directions	String	OUT, IN, or ALL	OUT

**Table 2** response_data parameter descriptions
Parameter	Type	Description
vertices	List	ID of the vertex within k hops. The format is as follows: [vertexId,...], where vertexId is of the string type.
source	String	Source vertex ID
k	Integer	Number of hops
k_hop_neighbors	Integer	Number of vertices within k hops (excluding the source vertex)