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Developing and Deploying Siebel eBusiness Applications > Creating a Virtual Business Component > Creating a Business Service >

Defining Business Service Scripts

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After defining the Business Service, you can define the business service scripts that actually do the processing associated the with the NREC External Text Handler business service object. Sample code for this example is shown in Code Sample.

Business Service methods to implement are listed in Table 9.

Table 9. Business Service Methods

Method	Custom Method Name in Code Sample	Description
Init	Pal_Init	Creates the initial link between the columns in the VBC and the columns in the external data source.
Insert	Pal_Insert	Inserts a record into the external data source.
PreInsert	Pal_PreInsert	Provides any default values for new rows. In the current example, there are no default values.
Query	Pal_Query	Queries the external datasource and returns rows that match a given value. In the current example, the method queries the text file and returns rows that have a matching value for the current House_ID field.
Service_PreInvokeMethod	Service_PreInvokeMethod	Handles requests that come into the business service and calls other functions as appropriate.
Update	Not used in sample code	Updates an existing row in an external datasource.
Delete	Not used in sample code	Deletes a row in the external datasource.

For more information about business service methods, see Siebel Object Interfaces Reference.

To define and write the business service script for NREC External Text Handler

Select the NREC External Text Handler business service.
With the business service selected, right-click, and then choose Edit Server Scripts.
Select Visual Basic as the scripting language and then click OK.

The script editor appears with Service_PreInvokedMethod selected as the service.

Enter the custom functions by doing the following:
Expand the (general) icon in the script editor and then select the (declarations) icon.
In the text entry window, enter the code for the custom function.
After finishing the function and saving your work, an icon representing the function appears in the left pane.
Repeat steps Step a through Step c for each custom function.



Select the Service_PreInvokeMethod icon and then enter the code in text entry window.
Select the (declarations) icon and then type the code in the text entry window.

After saving your work, Business Service Server Script objects are automatically created.

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