def _new_block_definition(block_name):
    """
    This will return a new block definition with the given block name

    :param block_name: Name of the block to define

    :return: str
    """
    return """
        myData = attributes "%s" version:1
        (
                                        -- Define the actual parameters
                                        Parameters main rollout:params
                                        (
                                        )

                                        -- Build the ui element
                                        rollout params "%s"
                                        (
                                        )
        )
        """ % (block_name, block_name)