If possible to store values from my website text box to pubnub account history?
Sure, just publish a message to the channel of your choice with the values of the text box and that message will be persisted for as long as the configured duration of your Storage add-on (1, 3, ... 30 days or even forever).
However, I am not sure this is what you really want to do as I am not sure what the requirements of you application are. This persistence is not a SQL back end so it is not retrievable in by means of a traditional SQL query. See the