<?php
function customize_lesson_tracking_args() {

    if ( ! bp_is_active( 'activity' ) )
        return;

    add_post_type_support( 'sfwd-courses', 'buddypress-activity' );

    bp_activity_set_post_type_tracking_args( 'sfwd-courses', array(
        'action_id'                         => 'new_sfwd-courses',
        'bp_activity_admin_filter'          => __( 'Published a new Course', 'custom-textdomain' ),
        'bp_activity_front_filter'          => __( 'Course', 'custom-textdomain' ),
        'bp_activity_new_post'              => __( '%1$s posted a new <a href="%2$s">Course</a>', 'custom-textdomain' ),
        'bp_activity_new_post_ms'           => __( '%1$s posted a new <a href="%2$s">Course</a>, on the site %3$s', 'custom-textdomain' ),
        'contexts'                          => array( 'activity', 'member' ),
        'comment_action_id'                 => 'new_sfwd-courses_comment',
        'bp_activity_comments_admin_filter' => __( 'Commented a Course', 'custom-textdomain' ),
        'bp_activity_comments_front_filter' => __( 'Course Comments', 'custom-textdomain' ),
        'bp_activity_new_comment'           => __( '%1$s commented on the <a href="%2$s">Course</a>', 'custom-textdomain' ),
        'bp_activity_new_comment_ms'        => __( '%1$s commented on the <a href="%2$s">Course</a>, on the site %3$s', 'custom-textdomain' ),
        'position'                          => 100,
    ) );
}
add_action( 'bp_init', 'customize_lesson_tracking_args' );
?>