OptionalAttribute Class

  • Reference

Definition

Namespace:
Microsoft.Bot.Builder.FormFlow
Assembly:
Microsoft.Bot.Builder.dll
Package:
Microsoft.Bot.Builder v3.30.0

Define a field or property as optional.

[System.AttributeUsage(System.AttributeTargets.Field | System.AttributeTargets.Property)]
[System.Serializable]
public class OptionalAttribute : Attribute
[<System.AttributeUsage(System.AttributeTargets.Field | System.AttributeTargets.Property)>]
[<System.Serializable>]
type OptionalAttribute = class
    inherit Attribute
Public Class OptionalAttribute
Inherits Attribute
Inheritance
Attribute
OptionalAttribute
Attributes
AttributeUsageAttribute SerializableAttribute

Remarks

An optional field is one where having no value is an acceptable response. By default every field is considered required and must be filled in to complete the form.

Constructors

OptionalAttribute()

Mark a field or property as optional.

Applies to