'Declaration
<System.ComponentModel.CategoryAttribute("Email Message")> <System.ComponentModel.DescriptionAttribute("Specifies the mask for matching the Mail Header's "From" address (Optional).")> Public Property From As System.Activities.InArgument(Of String)
'Usage
Dim instance As GetMailHeaderList Dim value As System.Activities.InArgument(Of String) instance.From = value value = instance.From
[System.ComponentModel.Category("Email Message")] [System.ComponentModel.Description("Specifies the mask for matching the Mail Header's "From" address (Optional).")] public System.Activities.InArgument<string> From {get; set;}