a48dc8ad_Using_Procedures_and_Packages__Parameter
[Mode] IN [Description] The name of the procedure being described. The syntax for this parameter follows the rules used for identifiers in SQL. The name can be a synonym. This parameter is required and may not be null. The total length of the name cannot exceed 197 bytes. An incorrectly specified OBJECT_NAME can result in one of the following exceptions: ORA-20000 - A package was specified. You can only specify a stored procedure, stored function, packaged procedure, or packaged function. ORA-20001 - The procedure or function that you specified does not exist within the given package. ORA-20002 - The object that you specified is a remote object. This procedure cannot currently describe remote objects. ORA-20003 - The object that you specified is invalid and cannot be described. ORA-20004 - The object was specified with a syntax error. [Parameter] 
object_name
Using Procedures and Packages