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a!save() Function

Function

a!save( target, value )

In interface saveInto parameters, updates the target with the given value. Use a!save for each item that you want to modify or alter in a saveInto parameter. This function has no effect when called outside of a component's saveInto parameter.

Parameters

Keyword Type Description

target

List of Save

A local variable, rule input, process variable, or node input in which to save the value. Local variables that refresh on an interval using "refreshInterval" or on every evaluation, either because they are using "refreshAlways" or because they are defined in the with() function, cannot be used as save targets.

value

Any Type

The value to save. The component's updated value can be accessed using the special variable save!value.

Returns

Save

Usage considerations

a!save() can be called multiple times for a given component by passing them in a list to the component's saveInto parameter.

If the component's updated value should be saved directly into a variable without modification, the a!save() function is not necessary (see first example below).

Using a value parameter

The target and value parameters are not evaluated until the user interacts with the component.

The variable save!value is only available in the value parameter of a!save(). It cannot be used in the target parameter or outside of a!save().

If the component's updated value should be saved directly into a variable without modification, the a!save() function is not necessary (see first example below).

a!save() can be used in conjunction with a rule input of type Save to create reusable custom components.

Examples

Copy and paste an example into the INTERFACE DEFINITION in EXPRESSION MODE to see how this works.

Saving a variable without modification (doesn't need a!save function)

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	=a!localVariables(
	  local!text,
	  a!textField(
	    value: local!text,
	    saveInto: local!text
	  )
	)

Upper-casing the typed text

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	=a!localVariables(
	  local!text,
	  a!textField(
	    value: local!text,
	    saveInto: a!save(local!text, upper(save!value))
	  )
	)

Upper-casing and appending to the typed text

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	=a!localVariables(
	  local!text,
	  a!textField(
	    value: local!text,
	    saveInto: a!save(local!text, "You just typed: " & upper(save!value))
	  )
	)

Upper-casing and appending to the typed text in one variable, saving unchanged to another

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	=a!localVariables(
	  local!modifiedText,
	  local!unmodifiedText,
	  a!textField(
	    instructions: local!modifiedtext,
	    value: local!unmodifiedText,
	    saveInto: {
	      a!save(local!modifiedtext, "You just typed: " & upper(save!value)),
	      local!unmodifiedText
	    }
	  )
	)

Modifying two variables based on the same typed text

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	=a!localVariables(
	  local!upperCaseText,
	  local!appendedText,
	  a!textField(
	    value: local!upperCaseText,
	    instructions: local!appendedText,
	    saveInto: {
	      a!save(local!upperCaseText, upper(save!value)),
	      a!save(local!appendedText, "You just typed: " & save!value)
	    }
	  )
	)

Modifying two variables, one based on the typed text and one with an arbitrary value

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	=a!localVariables(
	  local!upperCaseText,
	  local!isModified: false,
	  a!textField(
	    value: local!upperCaseText,
	    instructions: if(local!isModified, "Modified", ""),
	    saveInto: {
	      a!save(local!upperCaseText, upper(save!value)),
	      a!save(local!isModified, true)
	    }
	  )
	)

Modifying two variables, one based on the typed text and one conditionally

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	=a!localVariables(
	  local!text,
	  local!longText: "Short Text",
	  local!shortText: "Long Text",
	  a!textField(
	    label: local!shortText,
	    instructions: local!longText,
	    value: local!text,
	    saveInto: {
	      local!text,
	      a!save(
	        if(
	          len(local!text) > 5,
	          local!longText,
	          local!shortText
	        ),
	        save!value
	      )
	    }
	  )
	)

Feature compatibility

The table below lists this function's compatibility with various features in Appian.
Feature Compatibility Note
Portals Compatible
Offline Mobile Compatible
Sync-Time Custom Record Fields Incompatible
Real-Time Custom Record Fields Incompatible
Process Reports Incompatible

You cannot use this function to configure a process report.
Process Events Incompatible

You cannot use this function to configure a process event node, such as a start event or timer event.

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