# IRequiredParameter interface

*No description yet.*

```csharp
public interface IRequiredParameter : IAbstractObject
```

**Namespace:** ComponentLib · **Assembly:** Altium.SDK.Interfaces

**Inherits:** [IAbstractObject](https://altiumdeveloper.github.io/ad-sdk-docs/reference/componentlib/IAbstractObject.md)

## Properties

| Property | Type | Access | Description |
| --- | --- | --- | --- |
| [DefaultValue](#defaultvalue) | `string` | get; set |  |
| [DefinitionGUID](#definitionguid) | `string` | get; set |  |
| [DefinitionType](#definitiontype) | `string` | get; set |  |
| [FromTemplate](#fromtemplate) | `bool` | get; set |  |
| [IsReadOnly](#isreadonly) | `bool` | get; set |  |
| [IsRequired](#isrequired) | `bool` | get; set |  |
| [ParameterName](#parametername) | `string` | get; set |  |
| [ParameterType](#parametertype) | `string` | get; set |  |
| [ParameterUnit](#parameterunit) | `string` | get; set |  |
| [Visible](#visible) | `bool` | get; set |  |

### DefaultValue

*No description yet.*

```csharp
string GetDefaultValue();
void SetDefaultValue(string argValue);
```

**Type:** `string` · **Access:** read/write

### DefinitionGUID

*No description yet.*

```csharp
string GetDefinitionGUID();
void SetDefinitionGUID(string argValue);
```

**Type:** `string` · **Access:** read/write

### DefinitionType

*No description yet.*

```csharp
string GetDefinitionType();
void SetDefinitionType(string argValue);
```

**Type:** `string` · **Access:** read/write

### FromTemplate

*No description yet.*

```csharp
bool GetFromTemplate();
void SetFromTemplate(bool argValue);
```

**Type:** `bool` · **Access:** read/write

### IsReadOnly

*No description yet.*

```csharp
bool GetIsReadOnly();
void SetIsReadOnly(bool argValue);
```

**Type:** `bool` · **Access:** read/write

### IsRequired

*No description yet.*

```csharp
bool GetIsRequired();
void SetIsRequired(bool argValue);
```

**Type:** `bool` · **Access:** read/write

### ParameterName

*No description yet.*

```csharp
string GetParameterName();
void SetParameterName(string argValue);
```

**Type:** `string` · **Access:** read/write

### ParameterType

*No description yet.*

```csharp
string GetParameterType();
void SetParameterType(string argValue);
```

**Type:** `string` · **Access:** read/write

### ParameterUnit

*No description yet.*

```csharp
string GetParameterUnit();
void SetParameterUnit(string argValue);
```

**Type:** `string` · **Access:** read/write

### Visible

*No description yet.*

```csharp
bool GetVisible();
void SetVisible(bool argValue);
```

**Type:** `bool` · **Access:** read/write

## Methods

| Method | Returns | Description |
| --- | --- | --- |
| [IsSystemParameter](#issystemparameter) | `bool` |  |

### IsSystemParameter

*No description yet.*

```csharp
bool IsSystemParameter();
```

**Returns:** `bool`

## Returned by

[IComponentLibraryDocument.CreateRequiredParameter](https://altiumdeveloper.github.io/ad-sdk-docs/reference/componentlib/IComponentLibraryDocument.md#createrequiredparameter), [IComponentLibraryManager.CreateRequiredParameter](https://altiumdeveloper.github.io/ad-sdk-docs/reference/componentlib/IComponentLibraryManager.md#createrequiredparameter), [IParameter.RequiredParameter](https://altiumdeveloper.github.io/ad-sdk-docs/reference/componentlib/IParameter.md#requiredparameter), [IRequiredParameterList.Find](https://altiumdeveloper.github.io/ad-sdk-docs/reference/componentlib/IRequiredParameterList.md#find), [IRequiredParameterList.FindOrCreate](https://altiumdeveloper.github.io/ad-sdk-docs/reference/componentlib/IRequiredParameterList.md#findorcreate), [IRequiredParameterList.Get](https://altiumdeveloper.github.io/ad-sdk-docs/reference/componentlib/IRequiredParameterList.md#get)

## Accepted by

[IRequiredParameterList.Add](https://altiumdeveloper.github.io/ad-sdk-docs/reference/componentlib/IRequiredParameterList.md#add)