key property

String? key
getter/setter pair

Key of the label.

The key must follow the format: \\p{Ll}\\p{Lo}{0,62}. This means the key must start with a lowercase letter or a lowercase international character, followed by zero or more lowercase letters, lowercase international characters, numbers, underscores, or dashes. The key must be at most 63 characters long. International characters are allowed.

Implementation

core.String? key;