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# Meta Data Filters

While this list contains an array of Meta Data filters that may be used, please be aware that new values may be made available or removed without notice.

In addition to the EClient.reqWshMetaData field being mandatory prior to the [EClient.reqWshEventData()](/tws-api/doc/wall-street-horizon/event-data/wsh-event-data-object) function, the JSON content will also return the appropriate column values that are returned along with the function.

| Event Type Name                | Event Type Tag     |
| ------------------------------ | ------------------ |
| Board of Directors Meeting     | wshe_bod           |
| Buyback                        | wshe_bybk          |
| BuyBack Modification           | wshe_bybkmod       |
| Conference Call                | wshe_cc            |
| FDA Advisory Committee Meeting | wshe_fda_adv_comm  |
| Future Quarter                 | wshe_fq            |
| Investors Conference           | wshe_ic            |
| Index Change                   | wshe_idx           |
| Interim Dates                  | wshe_interim_dates |
| Initial Public Offering        | wshe_ipo           |
| Movie Release                  | wshe_movies        |
| Option Expiration Date         | wshe_option        |
| Merger and Acquistion          | wshe_merg_acq      |
| Quarter End                    | wshe_qe            |
| Secondary Offering             | wshe_secondary     |
| Video Release                  | wshe_videos        |
| Splits                         | wshe_splits        |
| Spinoff                        | wshe_spinoffs      |
| Shareholder Meeting            | wshe_sh            |
| Filing Due Date                | wshe_sec           |
| WSHE Dividend                  | wshe_div           |
| Dividends Suspend/Resume       | wshe_divsr         |
| Earnings Date                  | wshe_ed            |
| Earnings Report                | wshe_eps           |