Boolean

Use x.boolean() for boolean values. Recognises common truthy/falsy strings ("yes", "no", "true", "false", "1", "0", etc.).

x.boolean().label("Active")

columnNameAliases

Use alternate CSV headers for the same field.

.columnNameAliases(aliases: string[])

• aliases lists the alternate column names.

label

Sets the user-facing label shown in the widget.

.label(text: string)

• text sets the label text.

description

Sets help text shown below the field.

.description(text: string)

• text sets the description text.

example

Sets the placeholder example value.

.example(text: string)

• text sets the example value.

optional

Makes the field optional.

.optional()

default

Available after .optional().

.default(defaultValue: unknown | (() => unknown | Promise<unknown>))

• defaultValue can be a static value or a function used when the field is empty.