VMS Help MAIL Routines, MAIL$SEND_ADD_ATTRIBUTE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Adds an attribute, such as Subject or To, to the message you are
    currently constructing.

    Format

      MAIL$SEND_ADD_ATTRIBUTE  context ,in_item_list ,out_item_list

  Additional Information (explode) :

• Returns
• Arguments
• Input Item Codes
• Output Item Codes
• Description
• Condition Values Returned