Update parametereditor.md (#1663)

Author: todorarabadzhiev

embedding-reports/display-reports-in-applications/web-application/html5-report-viewer/api-reference/parametereditor.md

@@ -25,6 +25,9 @@ table th:nth-of-type(2) {
 | __beginEdit(parameter)__ |creates the editor UI and populates it with the parameter settings<ul><li>parameter</li></ul>|
 | __addAccessibility(parameter)__ |adds accessibility to the parameter editor and populates its string resources<ul><li>parameter</li></ul>|
 | __setAccessibilityErrorState(parameter)__ |sets the error state of the parameter editor's accessibility functionality and its error attributes<ul><li>parameter</li></ul>|
+| __enable(enable)__ |enables or disables the parameter editor<ul><li>enable</li></ul>|
+| __clearPendingChange__ |function that would be invoked when parameter changes|
+| __destroy__ |function invoked to destroy the parameter editor|
 
 ## See Also