Initializing help system before first use

# xpressinsight.AppInterface.get_messages

Purpose
Returns a generator for reading the messages sent to the scenario.
Synopsis
`xpressinsight.AppInterface.get_messages(self) -> Generator[str, NoneType, NoneType]`
Example
Read messages and display them until there are none left:

    >>> for msg in insight.get_messages():
    ...     print("Received message: ", msg)

Further information
1. The method get_messages is part of the class xpressinsight.AppInterface.
2. Messages are typically sent from views as a way to inform an executing scenario of a user action.
3. The format of a message is not defined, beyond being a string.
4. When test mode has been activated, this function will return messages from a queue populated by the insight.put_messages method.
Related topics
AppInterface.put_messages
Parent Topic App Interface Classes

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