A promotion extension occasion.

[Proto definition ![GitHub](https://developers.google.com/site-assets/logo-github.svg)](https://github.com/googleapis/googleapis/blob/master/google/ads/googleads/v25/enums/promotion_extension_occasion.proto)

| Enums ||
|---|---|
| ## `BACK_TO_SCHOOL` | Back To School. |
| ## `BLACK_FRIDAY` | Black Friday. |
| ## `BOXING_DAY` | Boxing Day. |
| ## `CARNIVAL` | Carnival. |
| ## `CHINESE_NEW_YEAR` | Chinese New Year. |
| ## `CHRISTMAS` | Christmas. |
| ## `CYBER_MONDAY` | Cyber Monday. |
| ## `DIWALI` | Diwali. |
| ## `EASTER` | Easter. |
| ## `EID_AL_ADHA` | Eid al-Adha. |
| ## `EID_AL_FITR` | Eid al-Fitr. |
| ## `END_OF_SEASON` | End of any season. |
| ## `EPIPHANY` | Epiphany, also known as Three Kings' Day. |
| ## `FALL_SALE` | Fall Sale. |
| ## `FATHERS_DAY` | Father's Day. |
| ## `HALLOWEEN` | Halloween. |
| ## `HANUKKAH` | Hanukkah. |
| ## `HOLI` | Holi. |
| ## `INDEPENDENCE_DAY` | Independence Day in any country. |
| ## `LABOR_DAY` | Labor Day. |
| ## `MOTHERS_DAY` | Mother's Day. |
| ## `NATIONAL_DAY` | National Day in any country. |
| ## `NAVRATRI` | Navratri. |
| ## `NEW_YEARS` | New Year's. |
| ## `PARENTS_DAY` | Parent's Day. |
| ## `PASSOVER` | Passover. |
| ## `RAMADAN` | Ramadan. |
| ## `ROSH_HASHANAH` | Rosh Hashanah. |
| ## `SINGLES_DAY` | Singles Day. |
| ## `SONGKRAN` | Available in Thai: Songkran. |
| ## `SPRING_SALE` | Spring Sale. |
| ## `ST_NICHOLAS_DAY` | St. Nicholas Day. |
| ## `SUMMER_SALE` | Summer sale. |
| ## `UNKNOWN` | Used for return value only. Represents value unknown in this version. |
| ## `UNSPECIFIED` | Not specified. |
| ## `VALENTINES_DAY` | Valentine's Day. |
| ## `WINTER_SALE` | Winter Sale. |
| ## `WOMENS_DAY` | Women's Day. |
| ## `YEAR_END_GIFT` | Available in Japanese: Year-end Gift. |