SharePoint: Can’t display custom column value in Search Results

Good Day!

I have the List on SharePoint Site. It’s enabled for showing in search results. I see its elements in Search Results Page.

I would like to show my custom column values in Search Results. The column name is “FTP_Path”. Type is single line text

1. I looked this article https://docs.microsoft.com/en-us/SharePoint/search/how-to-display-values-from-custom-managed-properties-in-search-resultsoption-1
2. I created Management Property named FTPPath with Search ability enabled. I added the crawled property ows_FTP_Path as mapped crawled property
3. I go to the Site Setting -> Master Page Gallery -> Display Templates/Search and locate the Item_Default.html file
4. Copy the Item_Default file and rename it to Item_Copy
5. Open the file in a text editor and find the title tag. Change the title to TEST.
6. At the end ofManagedPropertyMapping tag I added

,'FTP_Path':'FTPPath'</mso:ManagedPropertyMapping>

1. Updated Table tag as follows

                                                             <table>

                                                                                             <tr>

                                                                                       <!—Some Another Item Properties -->

                                                                             </tr>

                                                                                             <tr>

                                                                                             <td>

                                                                                              _#=ctx.CurrentItem.FTP_Path=#_

                                                                                             </td>

                                                                                             </tr>

                                                             </table>

1.  Itold SharePoint to use my new Item_Copy template. It is working fine.

And I can’t see FTP_Path column values in Search results…

When I look my search results page by FireBug, I see that td tag with “ftp” class is empty on the page.

<tr>

   <td>

   </td>

</r>

I looked this article https://www.eliostruyf.com/making-columns-searchable-for-the-list-or-library-searchbox/

 and can’t understand, what is wrong.

Full content crawling didn’t help.

I would be grateful for any help.