## RegisterAddInFunction_String_String_Bool function

Adds addin function into the workbook

```go

func (instance *WorksheetCollection) RegisterAddInFunction_String_String_Bool(addinfile string, functionname string, lib bool)  (int32,  error) 

```

## Remarks


## See Also

* Class [WorksheetCollection](../)
* Library [Aspose.Cells for Go](../../)