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a!dropdownFieldByIndex_20r2 Component

This page contains information related to an old version of the Dropdown By Index Component.

To take advantage of the latest features and improvements, we always recommend you use the latest version whenever possible. See the latest version's page for information about what's been changed.

Function: a!dropdownFieldByIndex_20r2()

Displays a limited set of exclusive choices from which the user must select one item and saves the index of the selected choice. To save a value instead of the index, use a dropdown. This component is not available from the interface component picker in the design view.

Parameters

Name Keyword Types Description

Label

label

Text

Text to display as the field label.

Label Position

labelPosition

Text

Determines where the label appears. Valid values:

  • "ABOVE" (default) Displays the label above the component.
  • "ADJACENT" Displays the label to the left of the component.
  • "COLLAPSED" Hides the label. The label will still be read by screen readers; see accessibility considerations for more information.
  • "JUSTIFIED" Aligns the label alongside the component starting at the edge of the page.

Instructions

instructions

Text

Supplemental text about this field.

Required

required

Boolean

Determines if a value is required to submit the form. Default: false.

Disabled

disabled

Boolean

Determines if the field should display as potentially editable but grayed out. Default: false.

Choice Labels

choiceLabels

List of Text String

Array of options for the user to select.

Placeholder Label

placeholderLabel

Text

Text to display when nothing is selected and the value is null.

Selected Index

value

Number (Integer)

Index of the choice to display as selected.

Validations

validations

List of Text String

Validation errors to display below the field when the value is not null.

Save Input To

saveInto

List of Save

One or more variables that are updated with the choice index when the user changes the selection. Use a!save() to save a modified or alternative value to a variable.

Validation Group

validationGroup

Text

When present, the requiredness of the field is only evaluated when a button in the same validation group is pressed. The value for this parameter cannot contain spaces. For example, “validation group” is not a valid value. You need to add an underscore between words: “validation_group”. See the following recipes for more information:

Required Message

requiredMessage

Text

Custom message to display when the field's value is required and not provided.

Help Tooltip

helpTooltip

Text

Displays a help icon with the specified text as a tooltip. The tooltip displays a maximum of 500 characters. The help icon does not show when the label position is "COLLAPSED".

Accessibility Text

accessibilityText

Text

Additional text to be announced by screen readers. Used only for accessibility; produces no visible change.

Visibility

showWhen

Boolean

Determines whether the component is displayed on the interface. When set to false, the component is hidden and is not evaluated. Default: true.

Notes

  • If you set Label Position to "ADJACENT" or "ABOVE", but do not give a value for Label, a space still displays to the left-side or above, respectively, of the component as if there was a label displayed. To ensure the component appears to the far left when Label has no value, use "COLLAPSED" for Label Position.
  • Choices display in the same order as defined in the Choice Labels parameter. The Choice Labels argument cannot be null.
  • Passing a null value to the dropdown's Selected Index parameter causes the placeholder text to appear selected. The Placeholder Label and Selected Index arguments cannot both be null. If the placeholder is selected and Required is true when a validating button is clicked, the field prompts the user to select a value.
  • The argument passed to the Placeholder Label parameter does not have an index.
  • Choice index numbers start at 1. The index number for Selected Index cannot be null, empty, less than 1, or greater than the length of the Choice Labels array.
  • The choice at the index passed to the Selected Index parameter displays as selected by default.

Feature compatibility

The table below lists this SAIL component's compatibility with various features in Appian.
Feature Compatibility Note
Portals Compatible
Offline Mobile Compatible
Sync-Time Custom Record Fields Incompatible
Real-Time Custom Record Fields Incompatible

Custom record fields that evaluate in real time must be configured using one or more Custom Field functions.

Process Reports Incompatible

Cannot be used to configure a process report.

Process Events Incompatible

Cannot be used to configure a process event node, such as a start event or timer event.

Open in Github Built: Fri, Feb 23, 2024 (09:14:09 PM)

a!dropdownFieldByIndex_20r2 Component

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