When adding new items, authoring maps and apps, or creating new groups in your organization, tags are required. They can be added to any item, can be edited, and are a useful way to boost search results and find specific content.
There are a number of approaches to using tags effectively, and thinking in advance about how you want to use tags to identify and discover your content will help you decide what is best for you and your organization.
Using this script Administrator or Users Can find the used tags in their organisational ArcGIS Online Subscription or ArcGIS Enterprise Portal
