Need to include the boby and to remove warning message

[PV1984]

In this code cannot include the body text "Hi Agent , Kindly find the attached listing." and also there is warning prompt and need to click allow each and every time please suggest

Sub Send_Row_Or_Rows_Attachment_2()
Dim rng As Range
Dim Ash As Worksheet
Dim Cws As Worksheet
Dim Rcount As Long
Dim Rnum As Long
Dim FilterRange As Range
Dim FieldNum As Integer
Dim NewWB As Workbook
Dim TempFilePath As String
Dim TempFileName As String
Dim FileExtStr As String
Dim FileFormatNum As Long
Dim I As Long

On Error GoTo cleanup

With Application
.EnableEvents = False
.ScreenUpdating = False
.DisplayAlerts = False
End With

'Set filter sheet, you can also use Sheets("MySheet")
Set Ash = ActiveSheet

'Set filter range and filter column (column with e-mail addresses)
Set FilterRange = Ash.Range("A1:V" & Ash.Rows.Count)
FieldNum = 22 'Filter column = B because the filter range start in column A

'Add a worksheet for the unique list and copy the unique list in A1
Set Cws = Worksheets.Add
FilterRange.Columns(FieldNum).AdvancedFilter _
Action:=xlFilterCopy, _
CopyToRange:=Cws.Range("A1"), _
CriteriaRange:="", Unique:=True

'Count of the unique values + the header cell
Rcount = Application.WorksheetFunction.CountA(Cws.Columns(1))

'If there are unique values start the loop
If Rcount >= 2 Then
For Rnum = 2 To Rcount

'If the unique value is a mail addres create a mail
If Cws.Cells(Rnum, 1).Value Like "?*@?*.?*" Then

'Filter the FilterRange on the FieldNum column
FilterRange.AutoFilter Field:=FieldNum, _
Criteria1:=Cws.Cells(Rnum, 1).Value

'Copy the visible data in a new workbook
With Ash.AutoFilter.Range
On Error Resume Next
Set rng = .SpecialCells(xlCellTypeVisible)
On Error GoTo 0
End With

Set NewWB = Workbooks.Add(xlWBATWorksheet)

rng.Copy
With NewWB.Sheets(1)
.Cells(1).PasteSpecial Paste:=8
.Cells(1).PasteSpecial Paste:=xlPasteValues
.Cells(1).PasteSpecial Paste:=xlPasteFormats
.Cells(1).Select
Application.CutCopyMode = False
End With

'Create a file name
TempFilePath = Environ$("temp") & "\"
TempFileName = "Your data of " & Ash.Parent.Name _
& " " & Format(Now, "dd-mmm-yy h-mm-ss")

If Val(Application.Version) < 12 Then
'You use Excel 97-2003
FileExtStr = ".xls": FileFormatNum = -4143
Else
'You use Excel 2007-2016
FileExtStr = ".xlsx": FileFormatNum = 51
End If

'Save, Mail, Close and Delete the file
With NewWB
.SaveAs TempFilePath & TempFileName _
& FileExtStr, FileFormat:=FileFormatNum
On Error Resume Next
For I = 1 To 3
.SendMail Cws.Cells(Rnum, 1).Value, _
"This is the Subject line"

If Err.Number = 0 Then Exit For
Next I
On Error GoTo 0
.Close SaveChanges:=False
End With
'Delete the file you have send
Kill TempFilePath & TempFileName & FileExtStr
End If

'Close AutoFilter
Ash.AutoFilterMode = False

Next Rnum
End If

cleanup:
Application.DisplayAlerts = False
Cws.Delete
Application.DisplayAlerts = True

With Application
.EnableEvents = True
.ScreenUpdating = True
.DisplayAlerts = True
End With
End Sub