"To supply the information" means to provide or give the necessary details, facts, or data that are needed in a specific situation or for a particular purpose. Full definition
I had previously supplied her information about what was happening in the NHS only to find she did nothing to raise the issues. (leftfutures.org)
Your sales associate can also supply information on home values, taxes, utility costs, neighborhoods, and financing. (hrmls.com)
Those responses indicate that buyers plan their time at the Show in advance, and exhibitors can pull them to their booths by supplying information in advance. (sema.org)