rating
Use the rating component to capture a score rating by selecting a number of icons, such as a 5 star rating.
Typical use cases include product reviews, service feedback, and surveys.

Configuration options
Some properties are common to all components, see Common component properties for a list and their configuration options.
instanceId
The unique identifier for the rating component.
icon
The icon used for each rating step (for example, a star). If omitted, the default rating-star icon is used.
label
Provide a label/name for the rating input. Label is displayed as a placeholder when no value is provided.
maximum
The maximum rating value. This typically controls how many icons are shown, for example, 5.
align
The rating component's alignment within its container can be set to left, center, or right. The default is center. An expression can also be configured to set the alignment of the rating icons.
color
Sets the color of the rating's icons. Color conditions using the when property enable dynamic color options. First evaluated to be true will be used.
errorText
Add text, string, or expressions to show text under the rating indicating an error/invalid value in the field. ErrorText is shown in isNegative styling.
helperText
Add text, strings, or expressions to guide users by displaying text beneath the rating. HelperText is displayed only when there is no errorText property set.
initialValue
The value that the rating will load with when the screen initially loads. Use this to preset a default score.
isHidden
If true the rating will be hidden on the form. If set to false the field will be shown.
isIgnored
When true, the field will be ignored during data save, and the rating value will not be stored. This property is only applied when using the submit-form action.
isRequired
Set to true when the field is required, which is indicated by a grey asterisk. Set to false, the rating is optional.
style
The following property setting is available:
isDisabled- makes the rating field read-only.
value
The value to show for the rating. This is typically a numeric value representing the selected score. The value to show in the rating when the form initially loads. This can be combined with the isDisable style to preset the value that cannot be changed.
onChange
The action is triggered when the value in the rating is changed. Use IntelliSense (ctrl+space) to see the list of available actions.
=@ctx.component.state.
value
State is the variable of the component.
Considerations
The component is available for use in a jig.default, and in a card, section, expander, and view components as children.
If you want to display a rating inside a list item (instead of capturing input), use the
ratingproperty on a list-item.
Examples and code snippets
Basic rating

Basic example to rate the safety of a building site using component.rating in a default jig. The rating value is stored in component state:
=@ctx.components.rating.state.value
Examples:
See the full example in GitHub.
Rating on a Form
In this example the rating component is used in a hotel feedback form to score guests overall experience. The icon, color and maximum number of icons are defined.
Examples:
See the full example in GitHub.

Rating with custom icon & colors

In this example, books are reviewed by selecting a book from the list. Selecting a book opens a modal containing a rating component configured with a custom icon, color, and number of icons. An input is used to pass the book title to the modal and display it as the title of the rating component.
When a rating is submitted, the selected value is saved to the corresponding book record in the database. The BookId is passed to the modal as an input and used by the action to identify which book record to update. Once the modal closes, the saved rating value is retrieved from the database and displayed using the list-item’s rating property.
Examples:
See the full example in GitHub.
Note: This example highlights the difference between the rating component, which captures a rating, and the list-item’s rating property, which is used only to display a rating on a list item.
Rating left aligned with helperText
In this example, the rating component is configured with custom icons that are left-aligned, along with a custom color, title, and helperText displayed beneath the icons.
Examples:
See the full example in GitHub.

Rating right aligned with initial value

In this example, the rating component is configured with custom right-aligned icons, a custom color and title, and an initialValue that is set when the screen opens. The rating can be updated by tapping the icons.
Examples:
See the full example in GitHub.
Dynamic rating with conditional icons & colors
This example demonstrates an advanced rating component that dynamically changes its appearance based on user interaction. Expressions are used in the icon and color properties to conditionally apply different icons and colors based on the number of icons selected by the user.
When the component loads, no rating is selected
As the user taps icons to select a rating (1-6):
The
@ctx.component.state.valueupdates immediately.The
iconexpression evaluates and switches between happy/confused emojis.The
colorconditions evaluate and apply the appropriate theme color
The user sees real-time visual feedback showing:
Low ratings (1-2): Red confused emoji
Medium rating (3): Yellow/orange confused emoji
High ratings (4-6): Green happy emoji
Examples:
See the full example in GitHub.

Rating in a card

In this example, a wilderness experience is scored using the rating component, which is configured inside a card component with custom icons and a title.
Examples:
See the full example in GitHub.
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