| Offset | Variable name | Data type | Meaning |
| 1 | Px | REAL | x-component of momentum [GeV] |
| 2 | Py | REAL | y-component of momentum [GeV] |
| 3 | Pz | REAL | z-component of momentum [GeV] |
| 4 | E | REAL | Energy [GeV] |
| 5 | m | REAL | mass of particle [GeV] |
| 6 | Q | REAL | charge of particle |
This record is written once per energy flow object.