DynamoDB ProjectionExpression exclude attribute (all fields except one)

Question

I have a requirement where my dynamodb table has many attributes, and i need all of them in the projection expression except one or two columns which i dont need in response. (I am scanning the table).  
Is there a way how can i define this in ProjectionExpression (all except this one column).  
I have seen examples where ProjectionExpression only takes what all "is required" and not the other way.

Answer

There is not an "all but X attributes" type of filter or syntax for projections, you have to list out all the attributes you want to project if you only want a subset.

DynamoDB ProjectionExpression exclude attribute (all fields except one)

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