| bang |  | A bang will cause append to output the message which was most recently stored in memory (bang is particularly useful for triggering output following the set message). | 
| int | input-message [int] 
 | The message stored in append is appended, preceded by a space, to the end of any message that is received in the inlet, and the combined message is sent out the outlet. | 
| float | input-message [float] 
 | The message stored in append is appended, preceded by a space, to the end of any message that is received in the inlet, and the combined message is sent out the outlet. | 
| list | input-message [list] 
 | The message stored in append is appended, preceded by a space, to the end of any message that is received in the inlet, and the combined message is sent out the outlet. | 
| anything | input-message [list] 
 | The message stored in append is appended, preceded by a space, to the end of any message that is received in the inlet, and the combined message is sent out the outlet. | 
| set | input-message [list] 
 | The word set, followed by any message, will replace the message stored in append, without triggering output. |