https://learn.microsoft.com/en-us/dotnet/api/system.text.json.serialization.metadata.jsonpropertyinfo.customconverter?view=net-10.0
JsonPropertyInfo.CustomConverter Property (System.Text.Json.Serialization.Metadata) | Microsoft...
Gets or sets a custom converter override for the current property.
property systemjson serializationtextmetadatamicrosoft