Variable initial values
Variables have an initial value setting which represents the value it will be assigned at creation. This table shows what values are assigned to variables.
| Variable type | Initial value |
|---|---|
| Non-collection | Either NOT_SET or literal |
| Collection | Either an empty collection or a literal collection with items with values from literals |
By default, a collection variable’s initial value will be an empty collection. For non-collection variables, the default initial value will be NOT_SET unless it is one of the following types:
| Variable | Default initial value |
|---|---|
| Boolean | false |
| Currency | A currency with an amount of 0.0 and code of “USD” |
| Collection data types | empty collection |
| Decimal | 0.0 |
| Duration | A duration of 0 milliseconds |
| Integer | 0 |
| String | “” |
How values are initialized at startup
Flow variables are initialized once, at startup. However, task variables are initialized each time a task starts. For example, if a task is called multiple times in a flow, the variables pick up the initial value setting each time. In other words, when a task ends, the variables go out of scope and are recreated in the next instance of the task.
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