|   | Name | Type | Identifier | Description | Constraints | 
| Input | Points | Point Cloud (input) | POINTS | - | - | 
| Output | Z Value (*) | Data Object Grid (optional output) | GRID | - | - | 
 | Number of Points in Cell (*) | Data Object Grid (optional output) | COUNT | - | - | 
 | Attributes (*) | Grid list (optional output) | GRIDS | - | - | 
| Options | Output | Choice | OUTPUT | - | Available Choices: [0] only z [1] all attributes Default: 0 | 
 | Aggregation | Choice | AGGREGATION | - | Available Choices: [0] first value [1] last value [2] mean value [3] lowest z [4] highest z Default: 0 | 
 | Cellsize | Floating point | CELLSIZE | - | Minimum: 0.000000 Default: 1.000000 | 
| (*) optional |