For instance, here is the default message for one of the actions:

"Trigger:

{TRIGGER.NAME}

\r\nTrigger status:

{TRIGGER.STATUS}

\r\nTrigger severity:

{TRIGGER.SEVERITY}

\r\nTrigger URL:

{TRIGGER.URL}

\r\n\r\nItem values:\r\n\r\n1.

{ITEM.NAME1}

(

{HOST.NAME1}

:

{ITEM.KEY1}

):

{ITEM.VALUE1}

\r\n2.

{ITEM.NAME2}

(

{HOST.NAME2}

:

{ITEM.KEY2}

):

{ITEM.VALUE2}

\r\n3.

{ITEM.NAME3}

(

{HOST.NAME3}

:

{ITEM.KEY3}

):

{ITEM.VALUE3}

\r\n\r\nOriginal event ID:

{EVENT.ID}

"