def METHOD_NAME(item_id, **kwargs):
    """
    Get the id of the channel in TVP page from id internal to catchuptvandmore plugin.
    TVP3 is a channel shared for every regions.
    Channel region info taken from additional parameter
    """
    if "tvp3" == item_id:
        tvp3_region = kwargs.get('language', Script.setting['tvp3.language'])
        item_id = LIVE_TVP3_REGIONS[tvp3_region]
    return CHANNEL_ID_MAP[item_id]