| `phrase` | Keyword or phrase to filter | Required |
| `context` | Array of strings that means filtering context. Each string is one of `home`, `notifications`, `public`, `thread`. At least one context must be specified. | Required |
| `irreversible` | Irreversible filtering will only work in `home` and `notifications` contexts by fully dropping the records. Otherwise, filtering is up to the client. | Optional |
| `whole_word` | Whether to consider word boundaries when matching | Optional |
| `phrase` | Keyword or phrase to filter | Required |
| `context` | Array of strings that means filtering context. Each string is one of `home`, `notifications`, `public`, `thread`. At least one context must be specified. | Required |
| `irreversible` | Irreversible filtering will only work in `home` and `notifications` contexts by fully dropping the records. Otherwise, filtering is up to the client. | Optional |
| `whole_word` | Whether to consider word boundaries when matching | Optional |