## CustomFunctionDefinition class

Definition of custom function for calculating with user's custom engine.

```go

type CustomFunctionDefinition struct  {
	ptr unsafe.Pointer
}

```
## Constructors

| Method | Description |
| --- | --- |
|[NewCustomFunctionDefinition](./newcustomfunctiondefinition/) | Default constructor. | 

## Methods

| Method | Description |
| --- | --- |
|[IsNull](./isnull/) | Checks whether the implementation object is nullptr. | 
|[GetArrayModeParameters](./getarraymodeparameters/) | Gets the indices of given custom function's parameters that need to be calculated in array mode. |