1 files changed, 6 insertions, 1 deletions
diff --git a/catalog-ui/src/app/ng2/pages/properties-assignment/properties-assignment.page.component.ts b/catalog-ui/src/app/ng2/pages/properties-assignment/properties-assignment.page.component.ts
index 7feea50d89..ab67b0c827 100644
--- a/catalog-ui/src/app/ng2/pages/properties-assignment/properties-assignment.page.component.ts
+++ b/catalog-ui/src/app/ng2/pages/properties-assignment/properties-assignment.page.component.ts
@@ -538,6 +538,7 @@ export class PropertiesAssignmentComponent {
     private openToscaGetFunctionModal() {
         const modalTitle = this.translateService.translate('TOSCA_FUNCTION_MODAL_TITLE');
         const modalButtons = [];
+        let disableSaveButtonFlag = true;
         modalButtons.push(new ButtonModel(this.translateService.translate('MODAL_SAVE'), 'blue',
             () => {
                 const toscaGetFunction: ToscaGetFunction = modal.instance.dynamicContent.instance.toscaGetFunction;
@@ -547,7 +548,8 @@ export class PropertiesAssignmentComponent {
                     this.clearCheckedInstancePropertyValue();
                 }
                 modal.instance.close();
-            }
+            },
+            (): boolean => { return disableSaveButtonFlag }
         ));
         const checkedInstanceProperty = this.buildCheckedInstanceProperty();
         modalButtons.push(new ButtonModel(this.translateService.translate('MODAL_CANCEL'), 'outline grey', () => {
@@ -565,6 +567,9 @@ export class PropertiesAssignmentComponent {
             'property': checkedInstanceProperty,
             'componentInstanceMap': this.componentInstanceMap
         });
+        modal.instance.dynamicContent.instance.onValidityChange.subscribe(isValid => {
+            disableSaveButtonFlag = !isValid;
+        });
         modal.instance.open();
     }