|  | This document is archived and information here might be outdated. Recommended version. | 
Fields type for the populating the output value.
| Constant | Value | Description | 
|---|---|---|
| esriGPSchemaFieldsUnset | -1 | Unset. | 
| esriGPSchemaFieldsFirstDependency | 0 | Set field set of output from first input. | 
| esriGPSchemaFieldsFirstDependencyFIDs | 1 | Set field set of output from first input and add a field for their FID. | 
| esriGPSchemaFieldsAll | 2 | Set field set of output from all inputs. | 
| esriGPSchemaFieldsAllNoFIDs | 3 | Set field set of output from all inputs but without their FIDs. | 
| esriGPSchemaFieldsAllFIDsOnly | 4 | Set field set of output from all inputs but with only their FIDs. | 
| esriGPSchemaFieldsNone | 5 | No initial field sets. |