def _get_modifiers(modifiers, name=None):
    """ Get modifier functions for each type

        Args:
            modifiers (dict): Dictionary of modifier functions
            name (str): Name of type
        Return:
            dict: Dictionary of modifier functions
    """
    if modifiers is None:
        modifiers = {}
    elif name is not None:
        modifiers = {name: modifiers}

    for key in ["person", "business", "connection", "project",
                "source", "biography"]:
        if key not in modifiers:
            modifiers[key] = lambda item: item

    return modifiers