## On this page

  

 

 # Class PlugInHelpUrlAttribute

 Last update: 19.06.2026 

Namespace: [Phoenix.PlugIns](Phoenix.PlugIns.md)  
Assembly: Phoenix.PlugIns.dll

An attribute that defines a Url that can be used to get additional information about the plug-in.

Note that if the Url is unparseable, your plug-in will compile but fail when WritePlugInManifest is called on it.

```csharp
[AttributeUsage(AttributeTargets.Class)]
public class PlugInHelpUrlAttribute : Attribute


```

#### Inheritance

[object](https://learn.microsoft.com/dotnet/api/system.object) ← [Attribute](https://learn.microsoft.com/dotnet/api/system.attribute) ← [PlugInHelpUrlAttribute](Phoenix.PlugIns.PlugInHelpUrlAttribute.md)

#### Inherited Members

[Attribute.Equals(object)](https://learn.microsoft.com/dotnet/api/system.attribute.equals), [Attribute.GetCustomAttribute(Assembly, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute#system-attribute-getcustomattribute(system-reflection-assembly-system-type)), [Attribute.GetCustomAttribute(Assembly, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute#system-attribute-getcustomattribute(system-reflection-assembly-system-type-system-boolean)), [Attribute.GetCustomAttribute(MemberInfo, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute#system-attribute-getcustomattribute(system-reflection-memberinfo-system-type)), [Attribute.GetCustomAttribute(MemberInfo, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute#system-attribute-getcustomattribute(system-reflection-memberinfo-system-type-system-boolean)), [Attribute.GetCustomAttribute(Module, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute#system-attribute-getcustomattribute(system-reflection-module-system-type)), [Attribute.GetCustomAttribute(Module, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute#system-attribute-getcustomattribute(system-reflection-module-system-type-system-boolean)), [Attribute.GetCustomAttribute(ParameterInfo, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute#system-attribute-getcustomattribute(system-reflection-parameterinfo-system-type)), [Attribute.GetCustomAttribute(ParameterInfo, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattribute#system-attribute-getcustomattribute(system-reflection-parameterinfo-system-type-system-boolean)), [Attribute.GetCustomAttributes(Assembly)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-assembly)), [Attribute.GetCustomAttributes(Assembly, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-assembly-system-boolean)), [Attribute.GetCustomAttributes(Assembly, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-assembly-system-type)), [Attribute.GetCustomAttributes(Assembly, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-assembly-system-type-system-boolean)), [Attribute.GetCustomAttributes(MemberInfo)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-memberinfo)), [Attribute.GetCustomAttributes(MemberInfo, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-memberinfo-system-boolean)), [Attribute.GetCustomAttributes(MemberInfo, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-memberinfo-system-type)), [Attribute.GetCustomAttributes(MemberInfo, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-memberinfo-system-type-system-boolean)), [Attribute.GetCustomAttributes(Module)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-module)), [Attribute.GetCustomAttributes(Module, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-module-system-boolean)), [Attribute.GetCustomAttributes(Module, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-module-system-type)), [Attribute.GetCustomAttributes(Module, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-module-system-type-system-boolean)), [Attribute.GetCustomAttributes(ParameterInfo)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-parameterinfo)), [Attribute.GetCustomAttributes(ParameterInfo, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-parameterinfo-system-boolean)), [Attribute.GetCustomAttributes(ParameterInfo, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-parameterinfo-system-type)), [Attribute.GetCustomAttributes(ParameterInfo, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.getcustomattributes#system-attribute-getcustomattributes(system-reflection-parameterinfo-system-type-system-boolean)), [Attribute.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.attribute.gethashcode), [Attribute.IsDefaultAttribute()](https://learn.microsoft.com/dotnet/api/system.attribute.isdefaultattribute), [Attribute.IsDefined(Assembly, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined#system-attribute-isdefined(system-reflection-assembly-system-type)), [Attribute.IsDefined(Assembly, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined#system-attribute-isdefined(system-reflection-assembly-system-type-system-boolean)), [Attribute.IsDefined(MemberInfo, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined#system-attribute-isdefined(system-reflection-memberinfo-system-type)), [Attribute.IsDefined(MemberInfo, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined#system-attribute-isdefined(system-reflection-memberinfo-system-type-system-boolean)), [Attribute.IsDefined(Module, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined#system-attribute-isdefined(system-reflection-module-system-type)), [Attribute.IsDefined(Module, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined#system-attribute-isdefined(system-reflection-module-system-type-system-boolean)), [Attribute.IsDefined(ParameterInfo, Type)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined#system-attribute-isdefined(system-reflection-parameterinfo-system-type)), [Attribute.IsDefined(ParameterInfo, Type, bool)](https://learn.microsoft.com/dotnet/api/system.attribute.isdefined#system-attribute-isdefined(system-reflection-parameterinfo-system-type-system-boolean)), [Attribute.Match(object)](https://learn.microsoft.com/dotnet/api/system.attribute.match), [Attribute.TypeId](https://learn.microsoft.com/dotnet/api/system.attribute.typeid), [object.Equals(object)](https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object)), [object.Equals(object, object)](https://learn.microsoft.com/dotnet/api/system.object.equals#system-object-equals(system-object-system-object)), [object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode), [object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype), [object.MemberwiseClone()](https://learn.microsoft.com/dotnet/api/system.object.memberwiseclone), [object.ReferenceEquals(object, object)](https://learn.microsoft.com/dotnet/api/system.object.referenceequals), [object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)

## Constructors

[PlugInHelpUrlAttribute(string)](Phoenix.PlugIns.PlugInHelpUrlAttribute.-ctor.md#Phoenix_PlugIns_PlugInHelpUrlAttribute__ctor_System_String_)

Constructor

## Properties

[HelpUrl](Phoenix.PlugIns.PlugInHelpUrlAttribute.HelpUrl.md#Phoenix_PlugIns_PlugInHelpUrlAttribute_HelpUrl)

The Url to retrieve help on this plug-in