XML Publisher Steps

Type 1:
Step 1: Create PL/SQL Package based on Bussiness reqirments
Step 2: Create Executable.[Application Developer-->Concurrent-->Executable]
Step 3: Create Concurrent Program.[Application Developer-->Concurrent-->Program]
  in Program put Executable Short Name
       Add parameter as per requirment
Step 4: Create Data Definition [XML Publisher Admistrator-->Home-->Data Definition]
  To create Data Def use your Concurrent Prog Short Name
Step 5: Create Template[XML Publisher Admistrator-->Home-->Template]
  To create Template use your Concurrent Prog Short Name and Data Definition
Step 6: Add to required responsibility or in menu by creating function

Type 2:
Step 1: Create Data Definition [XML Publisher Admistrator-->Home-->Data Definition]
  To create Data Def use your Concurrent Prog Short Name
  Add Data Template
Step 2: Create Template[XML Publisher Admistrator-->Home-->Template]
  To create Template use your Concurrent Prog Short Name and Data Definition
Step 3: Add to required responsibility or in menu by creating function