Array List Size — Reference
Return the current number of items in an existing list.
Return the current number of items in an existing list.
Before you begin
Section titled “Before you begin”- A Server Connect action. Create the referenced Array List earlier in the same request before using it.
Array List Size
Section titled “Array List Size”Return the current number of items in an existing list.
Settings
Section titled “Settings”| Setting | Meaning |
|---|---|
| Name | The step name under which this lookup result is available to later server expressions. |
| Array List | Choose a Create Array List step available above this action. The stored reference is its name; it is not a database connection or a client-side component. |
| Output | Includes this named lookup result in the action response. The result can be used by later server steps without Output. Check the saved state: several lookup actions initialize Output on although their declared default is false. |
Worked example
Section titled “Worked example”Create a list with [“Notebook”,“Pencil”]. Add Array List Size named count, select the list and enable Output. The result is count = 2. Clear the list and read Size again; it is 0.
Check the behavior
Section titled “Check the behavior”Size is a count, not the last valid index. For a list of size 2, the valid indices are 0 and 1.
Return to the action workflow
Section titled “Return to the action workflow”Use a Get Array List Value step when you need to expose the final list after mutations. Use a database or server session when the data must persist beyond this request.
Check your result
Section titled “Check your result”You can configure this operation and verify the example’s resulting value or list.