public Task<GroupMeMessageData> CreateMessage(
	string sourceGuid,
	string text = null,
	IEnumerable<GroupMeAttachmentBase> attachments = null
)

public Task<GroupMeMessageData> CreateMessage(
	string sourceGuid,
	string text = null,
	IEnumerable<GroupMeAttachmentBase> attachments = null
)

Public Function CreateMessage ( 
	sourceGuid As String,
	Optional text As String = Nothing,
	Optional attachments As IEnumerable(Of GroupMeAttachmentBase) = Nothing
) As Task(Of GroupMeMessageData)

Public Function CreateMessage ( 
	sourceGuid As String,
	Optional text As String = Nothing,
	Optional attachments As IEnumerable(Of GroupMeAttachmentBase) = Nothing
) As Task(Of GroupMeMessageData)

member CreateMessage : 
        sourceGuid : string * 
        ?text : string * 
        ?attachments : IEnumerable<GroupMeAttachmentBase> 
(* Defaults:
        let _text = defaultArg text null 
        let _attachments = defaultArg attachments null
*)
-> Task<GroupMeMessageData>

member CreateMessage : 
        sourceGuid : string * 
        ?text : string * 
        ?attachments : IEnumerable<GroupMeAttachmentBase> 
(* Defaults:
        let _text = defaultArg text null 
        let _attachments = defaultArg attachments null
*)
-> Task<GroupMeMessageData>