Field.listof(...) stores valid list values as ListOf, a list subclass that keeps validating later item updates.

from dictify import Field

field = Field().listof(str)
field.value = ["one"]
field.value.append("two")

append(value)

Append a value after validating it against the ListOf item rules.

list()

Return native Python list data, recursively converting nested Model and ListOf values.