| Name | Script Name | Type | Description | Supports None | Default | Minimum | Maximum |
| File Category | FileCategory | String | Specifies the category to search for the file | No | | | |
| File name | FileName | String | Name of file to load into selection | No | | | |
| Operation | Operation | Enumeration (SelectionOperation) | Specifies if new selection should be added to, removed from current, or if new selection should replace previous selection | No | Replace | | |
| UpperLeft | UpperLeft | Enumeration (Boolean) | Positions selection in upper left corner of canvas | No | False | | |
| ClipToCanvas | ClipToCanvas | Enumeration (Boolean) | Clips loaded image data to canvas | No | False | | |
| GreyMethod | GreyMethod | Enumeration (CreateMaskFrom) | Aspect of source image from which to create the mask greyscale image | No | Luminance | | |
| Invert | Invert | Enumeration (Boolean) | Determines if the source image data is to be inverted | No | False | | |
| General Settings | GeneralSettings | Parameter Repository | Contains parameters that control the execution of the command. | No |
