| 100 | queryLabel | string(64) | | (optional) label echoed in logs and checkpoints |
| 103 | sessionID | short | | (optional) virtual session; mirrors MLinkStream.sessionID |
| 106 | queryID | long | | (required) client handle for this replay; also the cancel key |
| 109 | replayFrom | DateTime | | (required) UTC start of the replay window |
| 112 | replayTo | DateTime | | (required) UTC end of the window; clamped to the edge (now - delay) |
| 115 | replaySpeed | double | | (required) 0 = as fast as the rate cap allows; 1 = real time; 2 = 2x ... |
| 118 | seedImage | enum : YesNo | | (optional) Yes (default) delivers the keyed as-of-replayFrom image before events |
| 121 | where | text2 | | (optional) where clause applied to every requested type; eg. "accnt:eq:ABC" |
| 124 | view | text2 | | (optional) field subset applied to every requested type; per-type views = one request per type |
| 127 | stripeFilter | text1 | | (optional) composite stripe spec; narrows the CH read and the stream |
| 130 | cancel | enum : YesNo | | (optional) Yes stops the running replay identified by queryID |