def METHOD_NAME(feature_data, iob_type):
    """
    Gets features relevant to a specific IOB type and assign them verilog
    parameter names.
    """
    # Get all features and make parameter names
    all_features = set(
        [f for data in feature_data.values() for f in data.keys()])
    parameters = []
    # Check if a feature is relevant to particular IOB type
    is_diff = "DIFF_" in iob_type
    for feature in all_features:
        for iosettings in feature_data:
            if iosettings.is_diff == is_diff:
                base_iob_type = iob_type.replace("DIFF_", "")
                if base_iob_type in feature_data[iosettings][feature]:
                    parameters.append((
                        feature,
                        feature.replace(".", "_"),
                    ))
                    break
    return parameters