diff --git a/src/core/siteplugins/classes/call-ws-directive.ts b/src/core/siteplugins/classes/call-ws-directive.ts
index 8716afdd0..08dac6c7f 100644
--- a/src/core/siteplugins/classes/call-ws-directive.ts
+++ b/src/core/siteplugins/classes/call-ws-directive.ts
@@ -26,8 +26,8 @@ export class CoreSitePluginsCallWSBaseDirective implements OnInit, OnDestroy {
     @Input() name: string; // The name of the WS to call.
     @Input() params: any; // The params for the WS call.
     @Input() preSets: any; // The preSets for the WS call.
-    @Input() useOtherDataForWS: any[]; // Whether to include other data in the params for the WS.
-                                       // @see CoreSitePluginsProvider.loadOtherDataInArgs.
+    @Input() useOtherDataForWS: any; // Whether to include other data in the params for the WS.
+                                     // @see CoreSitePluginsProvider.loadOtherDataInArgs.
     @Input() form: string; // ID or name to identify a form. The form will be obtained from document.forms.
                            // If supplied and form is found, the form data will be retrieved and sent to the WS.
     @Output() onSuccess: EventEmitter<any> = new EventEmitter<any>(); // Sends the result when the WS call succeeds.
diff --git a/src/core/siteplugins/directives/new-content.ts b/src/core/siteplugins/directives/new-content.ts
index 8f38ef1c0..1158b5dd6 100644
--- a/src/core/siteplugins/directives/new-content.ts
+++ b/src/core/siteplugins/directives/new-content.ts
@@ -48,7 +48,7 @@ export class CoreSitePluginsNewContentDirective implements OnInit {
     @Input() args: any; // The params to get the new content.
     @Input() title: string; // The title to display with the new content. Only if samePage=false.
     @Input() samePage: boolean | string; // Whether to display the content in same page or open a new one. Defaults to new page.
-    @Input() useOtherData: any[]; // Whether to include other data in the args. @see CoreSitePluginsProvider.loadOtherDataInArgs.
+    @Input() useOtherData: any; // Whether to include other data in the args. @see CoreSitePluginsProvider.loadOtherDataInArgs.
     @Input() form: string; // ID or name to identify a form. The form will be obtained from document.forms.
                            // If supplied and form is found, the form data will be retrieved and sent to the new content.
     @Input() jsData: any; // JS variables to pass to the new page so they can be used in the template or JS.
diff --git a/src/core/siteplugins/providers/siteplugins.ts b/src/core/siteplugins/providers/siteplugins.ts
index 8739e4722..7fa661716 100644
--- a/src/core/siteplugins/providers/siteplugins.ts
+++ b/src/core/siteplugins/providers/siteplugins.ts
@@ -421,15 +421,15 @@ export class CoreSitePluginsProvider {
     /**
      * Load other data into args as determined by useOtherData list.
      * If useOtherData is undefined, it won't add any data.
-     * If useOtherData is defined but empty (null, false or empty string) it will copy all the data from otherData to args.
      * If useOtherData is an array, it will only copy the properties whose names are in the array.
+     * If useOtherData is any other value, it will copy all the data from otherData to args.
      *
      * @param {any} args The current args.
      * @param {any} otherData All the other data.
-     * @param {any[]} useOtherData Names of the attributes to include.
+     * @param {any} useOtherData Names of the attributes to include.
      * @return {any} New args.
      */
-    loadOtherDataInArgs(args: any, otherData: any, useOtherData: any[]): any {
+    loadOtherDataInArgs(args: any, otherData: any, useOtherData: any): any {
         if (!args) {
             args = {};
         } else {
@@ -441,14 +441,15 @@ export class CoreSitePluginsProvider {
         if (typeof useOtherData == 'undefined') {
             // No need to add other data, return args as they are.
             return args;
-        } else if (!useOtherData) {
-            // Use other data is defined but empty. Add all the data to args.
-            for (const name in otherData) {
+        } else if (Array.isArray(useOtherData)) {
+            // Include only the properties specified in the array.
+            for (const i in useOtherData) {
+                const name = useOtherData[i];
                 args[name] = otherData[name];
             }
         } else {
-            for (const i in useOtherData) {
-                const name = useOtherData[i];
+            // Add all the data to args.
+            for (const name in otherData) {
                 args[name] = otherData[name];
             }
         }