In most cases you can also go through the command options by using the TAB-key.
/petrespawn auto 10and the pet dies and has a respawn time of 16 seconds. Now the plugin will wait until the respawntime is 10 seconds and then respawn the pet when the owner can pay the respawn fee.
<auto>can be any economy price
<new exp of the pet>
<new pet ownername>