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Shortest Path Requires From or To Parameter

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Erroneous Code Example

This error occurs when you use a shortest path operation without providing either a from or to parameter. 
QUERY findPath() =>
    path <- N<User>::ShortestPath()
    RETURN path

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Solution

Add a from or to parameter to the shortest path operation. 
QUERY findPath(startId: ID, endId: ID) =>
    path <- N<User>::ShortestPath(from: startId, to: endId)
    RETURN path