| UI Elements | E | The UI elements to place in the grid | Generic Data |
| Width | W | The width of the grid | Number |
| Height | H | The height of the grid | Number |
| Row Definitions | RD | An optional list of Row Heights. Use numbers for absolute sizes and numbers with * for ratios (like 1* and 2* for a 1/3 2/3 split) | Text |
| Column Definitions | CD | An optional list of Column Widths. Use numbers for absolute sizes and numbers with * for ratios (like 1* and 2* for a 1/3 2/3 split) | Text |
| Element Row | ER | The rows to place the elements in, counting from 0 at the top. | Integer |
| Element Column | EC | The columns to place the elements in, counting from 0 at the left. | Integer |
| Element Row Span | ERS | How many rows each element should span. This will be 1 by default. | Integer |
| Element Column Span | ECS | How many columns each element should span. This will be 1 by default. | Integer |