Undefined function or variable 'samples'.

function load_EEG(hObject, eventdata, handles)
% Function to load EEG file by browsing
% set(handles.RegionPanel, 'Visible','off');
% set(handles.LabelPanel,'Visible','off');


handles.FeatureMat=[];
handles.epil_ind=0;

handles.EEGLoadType='Total';% Loading the Data as a Total file
%% Added to check whether file loading done from UI or result viewer
if(handles.loadfilepassingFlag==0)
    [filename,pathname] = uigetfile({'*.dat';'*.eeg';'*.txt';'*.ASC';'*.wav';'*.mp3'},'Select data File'); 
else
    [pathname,fileName,ext]=fileparts(handles.loadingfile) 
    filename=strcat(fileName,ext)
end

if isequal(filename,0)
    disp('No file selected')
else 
    %     set(handles.Name_EEGFile,'string','Wait Loading File.......');
    disp(['You have  selected  ', fullfile(pathname, filename)])
    disp(['CHD processing' ,fullfile(pathname,filename)])
    handles.fileName = filename;
    [pathstr,name,ext] = fileparts(filename) 
    hh=handles.fileName
    set(handles.Name_EEGFile,'String',handles.fileName);
    %%%%%%%
    if(strcmp(ext,'.data'))
        Datadetails=readFreibergNewData( fullfile(pathname, filename) );
        %     Datadetails.sampRate
        %     Datadetails.channels
        %     Datadetails.montage
        %     Datadetails.duration
        handles.eegData = Datadetails.data;
        handles.Montage= Datadetails.montage;
        handles.totalChannels=size(handles.eegData,2);
        handles.samplingRate=Datadetails.sampRate;
        % prompt = {'Enter Sampling Rate:','Enter number of Channels:','No: of seconds in a frame'};
        % dlg_title = 'EEG Parameters---------------------------------------------------------';
        % num_lines = 1;
        % def = {handles.samplingRate,handles.totalChannels,'4'};
        % options.Resize='on';
        % options.WindowStyle='normal';
        % options.Interpreter='tex';
        % answer = inputdlg(prompt,dlg_title,num_lines,def);
        guidata(hObject, handles);
    elseif(strcmp(ext,'.mp3')||strcmp(ext,'.wav'))
        %    handles.filepath=fullfile(pathname,filename);
        
        % [filepath, pathname] = uigetfile('*.wav');
        % 
        % handles.filepath=fullfile(pathname,filepath);
        % 
        %  [y,Fs] = audioread( handles.filepath);
        % 
        % handles.Audiodata=y;
        % 
        % handles.Samplingrate=Fs;
        % l=size(y)
        % handles.Samplingrate=Fs;
        % %     
        % % handles.eegData = y;
        % % data=handles.eegData
        % % handles.totalChannels=size(handles.eegData,2);
        % % handles.samplingRate=Fs;
        % % toCh=handles.totalChannels
        % Read an audio waveform
        %  [filepath, pathname] = uigetfile('*.wav');
        % [ y , Fs ] = audioread( filename ) ;
        [y , Fs ] = audioread( filename , samples ) ;
        %  [y,Fs] = audioread( handles.filepath);
        handles.audiodata = y;
        handles.samplingrats = Fs;
    else
        handles.audioread ='';
        handles.eegData = audioread (fullfile(pathname, filename));
        handles.totalChannels=size(handles.eegData,2);
        
        % else
        %%Loading Montage file for SCT data...asha
        
        t=tokenizeString(filename,'_.');
        all_Bnifiles= dir('SCT_Montage');
        all_BnifileNames= {all_Bnifiles.name}
        curr_bni=strcat(t{end-1},'.txt')
        if ismember(cellstr(curr_bni) ,all_BnifileNames)
            disp('Found BNI')
            montage=char(importdata(strcat('SCT_Montage\',curr_bni)))
            h=tokenizeString(montage,',');
            mtok=[];
            for i=1:length(h)
                %             hhh=mtok{i}
                mtok=[mtok  cellstr(h{i})];
            end
            handles.Montage = mtok ;
        else
            disp('BNI NOT FOUND')
        end
    end
    %%%%%%%%
  

when i excute aove code an error showing like

Undefined function or variable 'samples'.

Error in EEG_SCT>load_EEG (line 321)

[y , Fs ] = audioread( filename , samples ) ;

Error in EEG_SCT>Open_EEGFile_Callback (line 208)

load_EEG(hObject, eventdata, handles);

Error in gui_mainfcn (line 95)

feval(varargin{:});

Error in EEG_SCT (line 37)

gui_mainfcn(gui_State, varargin{:});

Error in matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)EEG_SCT('Open_EEGFile_Callback',hObject,eventdata,guidata(hObject))

Error while evaluating Menu Callback.

[KSSV]

variable samples is being used inside the function without providing it as a input.