| filePath | The path of the source font file relative to the project. | 
| pointSize | The point size used to scale the font face. | 
| sourceFontFile | An array that contains the font file. | 
| font | The font to load the data from. The Unity font must be set to Dynamic mode with Include Font Data selected. | 
FontEngineError A value of zero (0) if the font face was loaded successfully.
Load a source font file.