Brajesh Singh

<?php
/*$user_id= User whose blog this is*/
?>
<div id="item-buttons">
            <?php if ( function_exists( 'bp_add_friend_button' ) ) : ?>
                <?php bp_add_friend_button($user_id) ?>
            <?php endif; ?>

            <?php if ( is_user_logged_in()  && function_exists( 'bp_get_send_private_message_link_on_blog' ) ) : ?>
                <div class="generic-button" id="post-mention">
                    <a href="<?php echo bp_get_send_public_message_link_on_blog($user_id); ?>" title="<?php _e( 'Mention this user in a new public message, this will send the user a notification to get their attention.', 'buddypress' ) ?>"><?php _e( 'Mention this User', 'buddypress' ) ?></a>
                </div>
            <?php endif; ?>

            <?php if ( is_user_logged_in() && function_exists( 'bp_get_send_public_message_link_on_blog' ) ) : ?>
                <div class="generic-button" id="send-private-message">
                    <a href="<?php echo bp_get_send_private_message_link_on_blog($user_id); ?>" title="<?php _e( 'Send a private message to this user.', 'buddypress' ) ?>"><?php _e( 'Send Private Message', 'buddypress' ) ?></a>
                </div>
            <?php endif; ?>
</div><!-- #item-buttons -->

<?php
//custom function for public message link, please put the below code in your functions.php
function bp_get_send_public_message_link_on_blog($user_id) {
        global $bp;
        return apply_filters( 'bp_get_send_public_message_link_on_blog', $bp->loggedin_user->domain . $bp->activity->slug . '/?r=' . bp_core_get_username( $user_id) );
    }
    //custom function for private message link
    function bp_get_send_private_message_link_on_blog($user_id) {
        global $bp;

        return apply_filters( 'bp_get_send_public_message_link', $bp->loggedin_user->domain . $bp->messages->slug . '/compose/?r=' . bp_core_get_username( $user_id ) );
    }
    ?>