NeonProperty

NeonProperty Attribute

The NeonProperty attribute is used to map property names with JSON keys during serialization and deserialization. By default, if you try to serialize a Delphi structure, the generated JSON will have keys mapped to the fields of the structure. The NeonProperty attribute takes a string that specifies the name that should be mapped to the field during.

This is useful when you have to map some JSON field with a certain key that is a keyword in the programming language that you use, for example if you have to produce this JSON string from a Delphi structure:

{
  "Type": "init",
  "Name": "Initialization Command",
  "Value": [2,3,67,64,88,3,2]
}

Of course you can’t name a variable Type in Delphi, so In order to do that you can choose a different name and then use the NeonProperty attribute:

TCommand = record
  [NeonProperty('Type')]
  CommandType: string;
  Name: string;
  Value: TArray<Byte>;
end;