Items is an indexed TIdReply property that represents the existing TIdReply collection items for the container. 

Items can be accessed using the ordinal position of the TIdReply in the collection, where index positions range from 0 (zero) to Count - 1. 

Items is the default property for the collection. 

Use Add to create a new reply for the collection. 

Use Delete to remove a reply from the collection. 

Use Find to locate an existing reply with a specific numeric code. 

Use UpdateText to store the text for an existing reply to another TIdReply instance.

TIdReplies.Add 

TIdReplies.Find 

TIdReplies.UpdateText