Filter to display custom comment lenght in the MainWP Comments extension

show-full-comment-content.php

<?php

// Add the following code snippet to the PHP section of the MainWP Custom Dashboard Extension,
// or the functions.php file of the active theme on your Dashboard site.

add_filter( 'mainwp_comments_widget_limit_string', 'mycustom_mainwp_comments_widget_limit_string', 10, 1 );
function mycustom_mainwp_comments_widget_limit_string( $length = false ) {     
    return 99999;
}