Type | Description | String form |
action | An empty value that throws an exception if you try to execute the action. | |
any | Empty value. | any() |
boolean | false | |
chunk | Contains no state. Each plug-in must define what to do upon receiving a default-initialized chunk as an argument. | |
context | An empty context that cannot be used in any meaningful way. To use this variable, you must explicitly assign a context that was created with a name. | |
decimal | 0.0d | |
dictionary | Empty dictionary. | {} |
event | Instance of the event where each of its fields has the standard default values as per this table. | event_name (default fields) |
float | 0.0 | |
integer | 0 | |
listener | An empty listener that cannot be used in any meaningful way. To use this variable, you must assign a listener to it from within an on statement, from another listener variable, or from a stream listener in a from statement. | |
location | (0.0,0.0,0.0,0.0) | |
optional | Empty. | optional() |
sequence | Empty sequence. | [] |
stream | An empty stream that cannot be used in any meaningful way. To use the variable you must assign a non-empty stream to it. | |
string | Empty string. | "" |