| Name | Type | Options | Opt/Req | Description |
| string | 32000A | Const Varying | Req | The string to convert. |
| convertMode | 5A | Const | Req | The mode for the conversion: 'upper' for uppercase and 'lower' for lower case. |
| CCSID | 10i 0 | Const | Opt | Allows an alternate CCSID. If not passed then the default of 0 is used. |
| Returns: | 32000A | Varying | n/a | The converted string. |