class_docstr: A class for handling connections and interactions with Twilio WhatsApp API.
  Args:
      account_sid(str): Accound ID of the twilio account.
      auth_token(str): Authentication Token obtained from the twilio account.
class_docstr_tok: ["A","class","for","handling","connections","and","interactions","with","Twilio","WhatsApp","API",".","Args",":","account_sid","(","str",")",":","Accound","ID","of","the","twilio","account",".","auth_token","(","str",")",":","Authentication","Token","obtained","from","the","twilio","account","."]
docstr: Calls specific method specified.
  
  Args:
      method_name: to call specific method
      params: parameters to call the method
  
  Returns:
      List of dictionaries as a result of the method call
docstr_tok: ["Calls","specific","method","specified",".","Args",":","method_name",":","to","call","specific","method","params",":","parameters","to","call","the","method","Returns",":","List","of","dictionaries","as","a","result","of","the","method","call"]
code: def call_whatsapp_api(
      self, method_name: str = None, params: dict = None
  ):
      """
      Calls specific method specified.
  
      Args:
          method_name: to call specific method
          params: parameters to call the method
  
      Returns:
          List of dictionaries as a result of the method call
      """
      api = self.connect()
      method = getattr(api, method_name)
  
      try:
          result = method(**params)
      except Exception as e:
          error = f"Error calling method '{method_name}' with params '{params}': {e.response['error']}"
          log.logger.error(error)
          raise e
  
      if "messages" in result:
          result["messages"] = self.convert_channel_data(
              result["messages"]
          )
  
      return [result]
  
imports: import os
  from twilio.rest import Client
  import re
  from datetime import datetime
  from typing import List
  import pandas
  from mindsdb.utilities import log
  from mindsdb.utilities.config import Config
  from mindsdb_sql.parser import ast
  from mindsdb.integrations.utilities.date_utils import parse_local_date
  from mindsdb.integrations.libs.api_handler import APIHandler, APITable
  from mindsdb.integrations.utilities.sql_utils import extract_comparison_conditions, project_dataframe, filter_dataframe
  from mindsdb.integrations.libs.response import HandlerStatusResponse, HandlerResponse, RESPONSE_TYPE
label_desc: Use image node_id 8 for calling the WhatsAppHandler obj's underlying member method code with example usage: obj.call_whatsapp_api(method_name, params) and returns: list