9 Custom programs and functions

• Avoid using custom programs
  
• To create table descriptions for a custom program, copy existing table definitions in LSH
  
• Use cloning to create study-specific custom programs
  
• Create non-editionable objects for Custom Programs
  You can create non-editionable objects for Custom Programs by including the keyword "noneditionable" in the package source code.
• Include only columns for the Listing user interface in a custom program for a validation check
  
• Specify a static reference for secondary source code