These are the steps to be followed to auto refresh the EFW report you have created using Helical Insight Community edition:
1) Edit the efw report HTML templated you have created.
2) Add following script in the HTML Script tag to refresh report after few second
locUrl = window.baseUrl;
locUrl = parent.window.baseUrl;
window.location.href = locUrl+"hdi.html?dir=1463377807724/1465647380854&file=report.efw&refresh=true";
1) dir = saved efw report directory
2) file = saved efw report file name
3) 3000 = on what interval efw report should refreshed. interval is in milliseconds.
Now save the efw report.
This will refresh you efw report after every 3 second.
Thanks & Regards
Helical Insight Team