This example shows the DDL for a Java external stored procedure with an XML data type as an input parameter:
SHOW PROCEDURE get_XML;
*** Text of DDL statement returned.
*** Total elapsed time was 1 second.
---------------------------------------------------------------------
REPLACE PROCEDURE get_XML(IN X1 XML, INOUT A1 INTEGER)
LANGUAGE JAVA
NO SQL
PARAMETER STYLE JAVA
EXTERNAL NAME
'UDF_JAR:UserDefinedFunctions.get_XML(java.sql.SQLXML, int[])’;