WordPress add custom text into the Thesis theme footer

How to add custom text into the thesis theme footer.We can use thesis_hook_footer hook for do this.Open the custom_functions.php in the thesis theme folder.Add the following function end of the file and save it.
File path – /wp-content/themes/thesis/custom/custom_functions.php

This function is keep the custom code.But still not displaying.

function copyright() {
  echo '

Copyright © Sumith Harshan-WebExplorar.com–' . date('Y') . '

'; }

How to Call to this function

add_action('thesis_hook_footer', 'copyright', '99');

Full script is here.

function copyright() {
 echo '

Copyright © Sumith Harshan-WebExplorar.com–' . date('Y') . '

'; } add_action('thesis_hook_footer', 'copyright', '99');

Remove thesis footer links

How to remove footer links

// SYNTAX
remove_action('thesis_hook_footer', 'thesis_attribution');
// EXAMPLE
remove_action('thesis_hook_footer', 'copyright'); // this is above code that we just added

If you want to edit current footer text go to the following path and open that file.
/wp-content/themes/thesis_18/lib/html/footer.php
Then you can see the footer links.