---
title: "Class MemberDefinitionBase"
slug: "sdk--stylelabs.m.sdk.models.base.memberdefinitionbase"
abstract: ""
---
# Class MemberDefinitionBase

Base class for member definitions.

## Inheritance

object

MemberDefinitionBase

[PropertyDefinitionBase](https://doc.sitecore.com/ch/en/developers/api-reference/sdk--stylelabs.m.sdk.models.base.propertydefinitions.propertydefinitionbase.html)

[RelationDefinition](https://doc.sitecore.com/ch/en/developers/api-reference/sdk--stylelabs.m.sdk.models.base.relationdefinition.html)

## Implements

[IMemberDefinition](https://doc.sitecore.com/ch/en/developers/api-reference/sdk--stylelabs.m.sdk.contracts.base.imemberdefinition.html)

## Namespace: StylelabsStylelabs.MSdkStylelabs.M.Sdk.ModelsBase

## Assembly: Stylelabs.M.Sdk.dll

## Syntax

```csharp
public abstract class MemberDefinitionBase : IMemberDefinition
```

## Properties

### AllowUpdates

Gets or sets a value indicating whether this member can be updated from external sources (e.g. REST API, SDK...).

#### Declaration

```csharp
public bool AllowUpdates { get; set; }
```

#### Property Value

| Type | Description |
| --- | --- |
| bool |  |

### Conditions

Gets the conditions that are evaluated to decide if this member should be exposed in the external API/UI. These conditions have no impact on data validity.

#### Declaration

```csharp
public IList<IMemberCondition> Conditions { get; set; }
```

#### Property Value

| Type | Description |
| --- | --- |
| IList<>[IMemberCondition](https://doc.sitecore.com/ch/en/developers/api-reference/sdk--stylelabs.m.sdk.contracts.base.imembercondition.html) |  |

### DefinitionType

Gets type of the member.

#### Declaration

```csharp
public abstract MemberDefinitionType DefinitionType { get; }
```

#### Property Value

| Type | Description |
| --- | --- |
| [MemberDefinitionType](https://doc.sitecore.com/ch/en/developers/api-reference/sdk--stylelabs.m.sdk.contracts.base.memberdefinitiontype.html) |  |

### HelpText

Gets collection of the culture specific help text.

#### Declaration

```csharp
public IDictionary<CultureInfo, string> HelpText { get; set; }
```

#### Property Value

| Type | Description |
| --- | --- |
| IDictionary<, >CultureInfostring |  |

### IsConditional

Gets a value indicating whether indicates whether this member definition has any member conditions.

#### Declaration

```csharp
public bool IsConditional { get; }
```

#### Property Value

| Type | Description |
| --- | --- |
| bool |  |

### IsSecured

Gets or sets a value indicating whether indicates if the read-write access to this member is restricted.

#### Declaration

```csharp
public bool IsSecured { get; set; }
```

#### Property Value

| Type | Description |
| --- | --- |
| bool |  |

### IsSystemOwned

Gets or sets a value indicating whether indicates if the member definition is owned by the system and cannot be modified or deleted by the regular users.

#### Declaration

```csharp
public bool IsSystemOwned { get; set; }
```

#### Property Value

| Type | Description |
| --- | --- |
| bool |  |

### Labels

Gets or sets the labels.

#### Declaration

```csharp
public IDictionary<CultureInfo, string> Labels { get; set; }
```

#### Property Value

| Type | Description |
| --- | --- |
| IDictionary<, >CultureInfostring |  |

### Name

Gets or sets language agnostic case insensitive name of the member. Must be unique per member and [IEntityDefinition](https://doc.sitecore.com/ch/en/developers/api-reference/sdk--stylelabs.m.sdk.contracts.base.ientitydefinition.html), except for self-referencing relations.

#### Declaration

```csharp
public string Name { get; set; }
```

#### Property Value

| Type | Description |
| --- | --- |
| string |  |

### Implements

[IMemberDefinition](https://doc.sitecore.com/ch/en/developers/api-reference/sdk--stylelabs.m.sdk.contracts.base.imemberdefinition.html)