A sample of the service.xml configuration file in ESP_HOME/bin. You can use this as a reference for creating your custom service configuration file.
<?xml version="1.0"?>
<Services>
<Service Name="SampleJDBCService" Type="DB">
<Parameter Name="DriverLibrary">esp_db_jdbc_sybase_lib</Parameter>
<Parameter Name="Host">localhost</Parameter>
<Parameter Name="Port">12345</Parameter>
<Parameter Name="User">user</Parameter>
<Parameter Name="Password">password</Parameter>
<Parameter Name="Database">db</Parameter>
</Service>
<Service Name="SampleODBCService" Type="DB">
<Parameter Name="DriverLibrary">esp_db_odbc_lib</Parameter>
<Parameter Name="DSN">dsn</Parameter>
<Parameter Name="User">user</Parameter>
<Parameter Name="Password">password</Parameter>
</Service>
</Services>