You are creating a model-driven app. A JavaScript function must be manually initiated by the user from within an entity form. You need to add a button to the form to run the JavaScript. What should you do?
正解:A
How to add JavaScript to existing button in Ribbon WorkBench. Open Ribbon workbench and Right click on Assign button from Account form and click on Customize Button. Add Enable rule and call Javascript function. Reference: https://docs.microsoft.com/en-us/powerapps/developer/model-driven-apps/customize-commands-ribbon