getFieldSchema method

String? getFieldSchema()

Inquiry method that can be used to read the field schema specified for this Subscription.

Lifecycle This method can only be called if the Subscription has been initialized using a "Field Schema"

Returns the "Field Schema" to be subscribed to through the server, or null if the Subscription was initialized with a "Field List" or was not initialized at all.

Implementation

String? getFieldSchema() {
  return _schema;
}