Asterisk Manager API Action DBPut
Action: DBPut
Family: <family>
Key: <key>
Value: <value> (note, as of Asterisk 1.4 The Manager API wants Val: <value>)
Returns:
Response: Success
Message: Updated database successfully
Family: <family>
Key: <key>
Value: <value> (note, as of Asterisk 1.4 The Manager API wants Val: <value>)
Returns:
Response: Success
Message: Updated database successfully

Comments
333val: vs value:
333Incorrect page
If you're using Asterisk::Manager perl module then
you have to use "Value" in your action command
instead of "Val" as described above.