I build a DataSnap REST server with the wizard in Embarcadero® Delphi 10.4 Architect. I need to create a simple method to get a PDF file from a client, such as Postman.

I wrote the next code after reading

What is wrong in my code?

CodePudding user response：

As Oliver said in the comments, just add the parameter ?json=false to the URL

It work!!!