| Description: Specifies where the command that triggered acquisition of this data came from. This may be "GROUND" for ground commanding, or the name of a flight software module that initiated the request. |
| Namespace Id: msn_surface | Steward: img | Class Name: Command_Execution | Type: ASCII_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: SHORT_STRING |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | No Values | |