Within the EBSCO interface, there are several ways to document your search, In general, make sure you've set up an myEBSCO account and are signed in and have run your final search protocol...
Option 1
Click on the "Share" button and click on your linked search terms (in the "Add Search to Folder" option). This records your search terms and limits in your myEBSCO folder under the section called "Persistent Links to Searches." See the red arrow on the screen shots to the right.
Option 2
Click on the "Share" button. Copy and save the URL in the "Use Permalink" section. This will allow you to quickly return to and rerun your search, Note: any newly added articles that match your search criteria will appear. To be aware of those new additions, set up a search alert to be notified of new results. See the green and blue arrows in the screen shot to the right.
Option 3
Beneath the search box, click on "Search History" and select the search you'd like to save. Then click "Save Searchers / Alerts" and complete and save the form on the next screen. Now your search terms can be found in your myEBSCO folder under the "Saved Searches" section. See the yellow arrows in the screen shots below.