Difference between script include and BR

[jaiku]

Difference between script include and BR

[Karthik Reddy T]

Hello Jai,

Script Include:

Create script includes to store JavaScript functions and classes for use by server scripts. Each script include defines either an object class or a function. Script includes run only when called by a server script.

https://docs.servicenow.com/bundle/geneva-servicenow-platform/page/script/server_scripting/concept/c...

Script Includes - ServiceNow Wiki

Business rule:

A business rule is a server-side script that runs when a record is displayed, inserted, updated, deleted, or when a table is queried. A typical business rule might execute a script after a user updates an incident or escalates the priority of a change request.

Business Rules - ServiceNow Wiki

https://docs.servicenow.com/bundle/istanbul-servicenow-platform/page/script/business-rules/concept/c...

[The SN Nerd]

Script Includes exist primarily to re-use business logic code.

[Rajesh Mushke]

Hello Jai,

Script includes

Script includes are used to store JavaScript that runs on the server.

Create script includes to store JavaScript functions and classes for use by server scripts. Each script include defines either an object class or a function.

Consider using script includes instead of global business rules because script includes are only loaded on request.

• Script include formScript includes have a name, description and script. They also specify whether they are active or not, and whether they can be called from a client script.
• Use script includesScript includes are found under System Definition or System UI. You can call existing script includes from a script.
• Privacy settingsThe privacy setting for a client-callable script-include can be public or private.
• Change privacy on all client-callable script includesHow to change the privacy on all client-callable script includes.
• Change privacy on a single client callable script includeChange the privacy setting for a single client-callable script-include by adding the isPublic() function.

Create a business rule

You can create any type of business rule from the Business Rule form.

1. Navigate to System Definition > Business Rules.
2. Click New.
3. Fill in the fields, as appropriate.
   Note: You might need to configure the form to see all fields.

   Field	Description
   Name	Enter a name for the business rule.
   Table	Select the table that the business rule runs on. Note: The list shows only tables and database views that meet the scope protections for business rules starting with the Fuji release. Business rules defined for a database view can run only on Query. A business rule for a database view cannot run on insert, update, or delete.
   Application	Application that contains this business rule.
   Accessible from	Scope protection for a global business rule. Note: This field is visible only when the Table field is set to Global. It does not apply to rules that run on specific tables.
   Active	Select this check box to enable the business rule.
   Advanced	Select this check box to see the advanced version of the form.
   When to run
   When	[Advanced] Select when this business rule should execute: display, before, async, or after the database operation is complete. Note: Consider setting the Priority for async business rules as the system uses this value when creating the associated scheduled job.
   Order	[Advanced] Enter a number indicating the sequence in which this business rule should run. If there are multiple rules on a particular activity, the rules run in the order specified here, from lowest to highest.
   Insert	Select this check box to execute the business rule when a record is inserted into the database.
   Update	Select this check box to execute the business rule when a record is update.
   Delete	[Advanced] Select this check box to execute the business rule when a record is deleted from the database.
   Query	[Advanced] Select this check box to execute the business rule when a table is queried.
   Filter Conditions	Use the condition builder to determine when the business rule should run based on the field values in the selected Table. You can also use the Condition field to build a condition with a script.
   Role Conditions	Select the roles that users who are modifying records in the table must have for this business rule to run.
   Actions
   Set field values	Set values for fields in the selected Table using the choice lists: The field The assignment operator: To: An exact value Same as: The value of another field To (dynamic): A value relative to the user configuring the business rule or a user with a specific role The value
   Add message	Select this check box and enter a message that appears when this business rule is run
   Abort action	Select this check box to abort the current database transaction. For example, on a before insert business rule, if the conditions are met, do not insert the record into the database.If you select this option, you cannot perform additional actions on the record, such as setting field values and running scripts. You can still display a message to users by selecting the Add message check box and composing the message.
   Advanced
   Condition	[Advanced] Create a JavaScript conditional statement to specify when the business rule should run. By adding the condition statement to this field, you tell the system to evaluate the condition separately and run the business rule only if the condition is true. If you decide to include the condition statement in the Script field or if you use the condition builder, leave this field blank. To have the instance reevaluate the condition statement a second time before running an async business rule, add the system propertyglide.businessrule.async_condition_check and set the value to true.
   Script	[Advanced] Create a script that runs when the defined condition is true. The system automatically populates this field with a function name that matches the When value. onAfter onAsync onBefore onDisplay Note: The function name must match the When value.For more information and examples, see Scripting in Business Rules.
   Related list: Versions
   Versions	Shows all versions of the business rule. Use this list to compare versions or to revert to a previous version.

4. Click Submit.

Please Refer :

Create a business rule

Script includes  

http://wiki.servicenow.com/index.php?title=Differences_Among_Scripts#gsc.tab=0

[Shishir Srivast]

Business Rule is something you want to run when anything will happen before/after database update/insert for that record, definitely there are other options as well (like display and query business rule) etc.

Script Include is like re-usable function, in simple example if you want to calculate the date different of two date fields from incident form or change form then you can have 1 script include and can have a GlideAjax from client scripting to re-use them for both the places.