onComplete/onCompleting: Describe the completeTrigger parameter (…

…#6731)

src/survey-events-api.ts

@@ -97,9 +97,12 @@ export interface TriggerExecutedEvent {
 
 export interface CompleteBaseEvent {
   /**
-   * Returns `true` if survey completion is caused by the ["complete" trigger](https://surveyjs.io/form-library/documentation/design-survey/conditional-logic#complete).
+   * Returns `true` if survey completion is caused by a ["complete" trigger](https://surveyjs.io/form-library/documentation/design-survey/conditional-logic#complete).
    */
   isCompleteOnTrigger: boolean;
+  /**
+   * A "complete" trigger that has been executed. This parameter has a value only if `options.isCompleteOnTrigger` is `true`.
+   */
   completeTrigger?: Trigger;
 }
 export interface CompletingEvent extends CompleteBaseEvent {

src/survey.ts

@@ -4155,6 +4155,7 @@ export class SurveyModel extends SurveyElementCore
    * The `doComplete()` method completes the survey regardless of validation errors and the current page. If you need to ensure that survey results are valid and full, call the [`completeLastPage()`](https://surveyjs.io/form-library/documentation/api-reference/survey-data-model#completeLastPage) method instead.
    *
    * @param isCompleteOnTrigger For internal use.
+   * @param completeTrigger For internal use.
    * @returns `false` if survey completion is cancelled within the [`onCompleting`](https://surveyjs.io/form-library/documentation/api-reference/survey-data-model#onCompleting) event handler; otherwise, `true`.
    * @see surveyPostId
    */