Add reason field to cancel, assign, and finish (#27)

conversation_assign.go

@@ -20,6 +20,9 @@ type AssignmentParams struct {
 	// Timestamp optionally defines the time when the conversation was assigned.
 	// If not given, this will default to the current time.
 	Timestamp *time.Time `json:"timestamp,omitempty"`
+
+	// Reason optionally allows you to describe why this assignment is happening.
+	Reason string `json:"reason,omitempty"`
 }
 
 // AssignConversation assigns a conversation to a participant.

conversation_cancel.go

@@ -11,6 +11,9 @@ type CancelParams struct {
 	// Timestamp optionally defines the time when the conversation was cancelled.
 	// If not given, this will default to the current time.
 	Timestamp *time.Time `json:"timestamp,omitempty"`
+
+	// Reason optionally allows you to describe why this cancellation is happening.
+	Reason string `json:"reason,omitempty"`
 }
 
 // CancelConversation cancels the conversation.

conversation_finish.go

@@ -11,6 +11,9 @@ type FinishParams struct {
 	// Timestamp optionally defines the time when the conversation ended.
 	// If not given, this will default to the current time.
 	Timestamp *time.Time `json:"timestamp,omitempty"`
+
+	// Reason optionally allows you to describe why this conversation is finishing.
+	Reason string `json:"reason,omitempty"`
 }
 
 // FinishConversation finishes a conversation.