| Name | N | Name of the Spectrum. Default will be provided | Text |
| Code | C | Eurocode Version. Currently only Eurocode8 2004 supported | Integer |
| Soil | S | Soil Type(0=A 1=B 2=C 3=D 4=E) | Integer |
| Spectrum | T | Spectrum Type(0=TYPE_1 1=TYPE_2) | Integer |
| Agr | A | Peak ground acceleration, Agr | Number |
| Importance Factor | I | Importance Factor, I | Number |
| Damping Ratio | X | Damping Ratio, Xi | Number |
| Behaviour Factor | Q | Behaviour Factor, Q | Number |
| Dis Behaviour Factor | Qd | Displacement Behaviour Factor, Qd | Number |
| Lower | L | Lower Bound Factor, B | Number |
| Design | D | Flag to identify design spectrum | Boolean |
| CQC | C | Damping options for CQC combinations(0=CODE 1=CONST 2=TABLE 3=MODE) | Integer |
| Scale | S | Scale spectrum accelerations(0=CODE 1=NEWMARK_50 2=NEWMARK_84 3=ISO_19901) | Integer |
| CQC Damping | D | Damping value. N/A if damping is CODE or NODE | Number |