In events creation page , Quantity field should be Blank under Item Based Event

Summary:

Under Manage Events Tasks, when we are trying to create a new event of type Item Based the quantity field is defaulted to 1. How to make the quantity field as blank

Content (required):

Quantity field should be empty

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):