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Invalid Identifier

This error occurs when you use an invalid identifier in your HelixQL query.

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Erroneous Code Example

This error occurs when you use an invalid identifier in your HelixQL query. For example, Out is a reserved keyword so it cannot be used as a variable or a parameter name. 
QUERY getUser(id: ID) =>
    Out <- N<User>(id)
    RETURN Out

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Solution

Rename the variable or parameter to a valid identifier. 
QUERY getUser(id: ID) =>
    user <- N<User>(id)
    RETURN user