includes/class-freemius.php
function _add_license_action_link() {
            $this->_logger->entrance();

            if ( ! self::is_ajax() ) {
                // Inject license activation dialog UI and client side code.
                add_action( 'admin_footer', array( &$this, '_add_license_activation_dialog_box' ) );
            }

            $link_text = $this->is_free_plan() ?
                $this->get_text_inline( 'Activate License', 'activate-license' ) :
                $this->get_text_inline( 'Change License', 'change-license' );

            $this->add_plugin_action_link(
                $link_text,
                '#',
                false,
                11,
                ( 'activate-license ' . $this->get_unique_affix() )
            );
        }
function _add_license_action_link() {
            $this->_logger->entrance();

            if ( ! self::is_ajax() ) {
                // Inject license activation dialog UI and client side code.
                add_action( 'admin_footer', array( &$this, '_add_license_activation_dialog_box' ) );
            }

            $link_text = $this->is_free_plan() ?
                $this->get_text_inline( 'Activate License', 'activate-license' ) :
                $this->get_text_inline( 'Change License', 'change-license' );

            $this->add_plugin_action_link(
                $link_text,
                '#',
                false,
                11,
                ( 'activate-license ' . $this->get_unique_affix() )
            );
        }
function _add_license_action_link ( ) { $ this -> _logger -> entrance ( ) ; if ( ! self :: is_ajax ( ) ) { // Inject license activation dialog UI and client side code.
 add_action ( 'admin_footer' , array ( & $ this , '_add_license_activation_dialog_box' ) ) ; } $ link_text = $ this -> is_free_plan ( ) ? $ this -> get_text_inline ( 'Activate License' , 'activate-license' ) : $ this -> get_text_inline ( 'Change License' , 'change-license' ) ; $ this -> add_plugin_action_link ( $ link_text , '#' , false , 11 , ( 'activate-license ' . $ this -> get_unique_affix ( ) ) ) ; }
Adds "Activate License" or "Change License" link to the main Plugins page link actions collection.

@author Leo Fajardo (@leorw)
@since  1.1.9
Adds Activate License or Change License link to the main Plugins page link actions collection .