This works for me and it even embeds the Signature image in the body of the email...WooHoo thanks to Laura Rogers video SharePoint Power Hour: PowerApps Pen Input, Signatures
Solved by having a button with the OnSelect Property set to:
'Outlook.com'.SendEmail(
"lyoung@weilerproducts.com",
"New",
"<p>
<h2 align=""center"">Weiler Employee Gear Order Form</h2>" &
"<h3> Employee Info: </h3>" &
"<table width='100%' border='1' cellpadding='5' style='border:1px solid black; border-collapse:collapse'> " &
"<tr>
<th align=""left"" cell width='20%' style='background-color:#efefef'> Order Date </th>
<th align=""left"" cell width='20%' style='background-color:#efefef'> Employee Name </th>
<th align=""left"" cell width='20%' style='background-color:#efefef'> Phone Number </th>
<th align=""left"" cell width='20%' style='background-color:#efefef'> Department </th>
<th align=""left"" cell width='20%' style='background-color:#efefef'> Managers Name </th>
</tr>" &
"<tr>
<td align=""left"">"&Text(Today(),DateTimeFormat.ShortDate)&"</td>
<td align=""left"">" & Employee_Name_Input &"</td>
<td align=""left"">" & Phone_Number_Input & "</td>
<td align=""left"">" & Department_Text_Box & "</td>
<td align=""left"">" & Manager_Text_Box & "</td>
</tr>" &
"</table>" &
"<h3> Items: </h3>" &
"<table width='100%' border='1' cellpadding='5' style='border:1px solid black; border-collapse:collapse'>" &
"<tr style='background-color:#efefef'>
<th cell width='20%'>Qty</th> <th width='20%'> Item # </th> <th width='20%'> Color </th><th width='20%'> Size </th><th width='20%'> Price </th>
</tr>
<tr>" &
Concat(ShoppingCart,
"<td width='20%'>" & ItemQuantity & " </td>
<td width='20%'>" & ItemNumber & " </td>
<td width='20%'>" & ItemColor & " </td>
<td width='20%'>" & ItemSize & " </td>
<td width='20%'>" & ItemCost & " </td>","</tr><tr>") &
"</table>"& "<br></br>"&
"<table width='100%' align=""right"" cellpadding='5' border='0' style='border:0px solid white; border-collapse:collapse' >" &
"<tr >
<td width='20%'></td>
<td width='20%'></td>
<td width='20%'></td>
<th scope=""row"" width='20%'align=""right"" >SUBTOTAL:</th>
<td width='20%' >" &Text(Sum(ShoppingCart, ItemCost),"[$-en-US]$#,###.00") & "</td>
</tr>
<tr>
<td width='20%'></td>
<td width='20%'></td>
<td width='20%'></td>
<th scope=""row"" width='20%'align=""right"" >TAX (7%): </th>
<td width='20%'>" &Text(Sum(ShoppingCart, ItemCost * "0.07"),"[$-en-US]$#,###.00") & "</td>
</tr>
<tr>
<td width='20%'></td>
<td width='20%'></td>
<td width='20%'></td>
<th scope=""row"" width='20%'align=""right"" >TOTAL:</th>
<td width='20%'>" &Text(Sum(ShoppingCart, ItemCost + ItemCost * "0.07"),"[$-en-US]$#,###.00") & "</td>
</tr>
</table>"&"<br></br>"&
"<h3>Payment Method Selected: </h3>"
&Payment_Method.Selected.Value &"<br></br>"& "<h3>Employee Signature: </h3>"&"<br></br>"&
"<img src=Signature.jpg width = 200 height = 100 float=right >",
{
Importance: "Normal",
Attachments: Table(
{
Name: "Signature.jpg",
ContentBytes: Signature_Input.Image,
'@odata.type':""
}
),
IsHtml: true
}
);
Reset(Employee_Name_Input)&Reset(Department_Text_Box)&Reset(Phone_Number_Input)&Reset(Manager_Text_Box)&Reset(Payment_Method)&Reset(Signature_Input);Clear(ShoppingCart);Navigate(BrowserScreen,None);UpdateContext({PopUp2: false})