ServiceNow Telugu Series - Episode 18 | UI Policy in ServiceNow | ServiceNow Telugu Videos

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ServiceNow UI Policies are a part of ServiceNow's platform that allow you to dynamically control the behavior and visibility of form elements (such as fields, buttons, and related lists) on a record form. UI Policies are often used to make forms more user-friendly, enforce data validation rules, and simplify data entry by showing or hiding fields based on certain conditions. Here's an overview of UI Policies in ServiceNow:

Conditions: UI Policies are based on conditions. You define conditions using JavaScript expressions. When a record form is loaded or updated, the UI Policy engine evaluates these conditions to determine whether the policy's actions should be applied.

Actions: UI Policies have two main types of actions:

Show/Hide: These actions allow you to control the visibility of form elements. For example, you can hide certain fields until a specific condition is met.
Mandatory/Read-only: These actions allow you to control the editability of form elements. You can make fields mandatory or read-only based on specific conditions.
Order of Execution: UI Policies are executed in a specific order:

Client Script: If there's a client script on the form, it is executed first.
UI Policy: UI Policies are evaluated next.
Data Policy: Data Policies (which enforce data validation rules) are applied after UI Policies.
Cascading: UI Policies can cascade, meaning that one UI Policy can trigger another. For example, if a UI Policy hides a field, and another UI Policy is set to trigger based on the visibility of that field, the second policy will execute when the first one hides the field.

Scoped: UI Policies can be defined at a global level or within a specific application scope, allowing for granular control over their behavior.

Here's a simple example of a UI Policy:

Condition: If the "Category" field is set to "Hardware" and the "Priority" field is empty.
Action: Show the "Priority" field and make it mandatory.
This UI Policy ensures that when a user selects "Hardware" as the category of an incident, they must specify a priority, and it dynamically shows the "Priority" field if it was previously hidden.

UI Policies are a powerful tool for configuring and customizing the behavior of ServiceNow forms without the need for extensive scripting or development work. They enhance the user experience by simplifying data entry and ensuring data quality.

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