Increment Constant Smart Service

Overview

The Increment Constant Smart Service allows you to increase or decrease the value of a constant by a specified interval of type Number (Integer). The node returns an "Updated Constant Value" of type Number (Integer) on the Output tab. Entering a positive number for the increment value increases the constant value, while a negative number decreases the value.

Use this smart service instead of the Update Constant Smart Service if you want to automatically increase or decrease constants that are used as global counters. Executing this smart service does not create a new version of the constant, and if multiple versions of the constant exists, only the latest version is modified.

You must specify values for the node inputs listed in the table below. You can either manually enter data into the text-field or generate a value using the Expression Editor. When using the Expression Editor, you can reference and modify process variables, rules, constants, and other data. The expressions then populate your node input values.

Properties

• Category: Business Rules
• Icon:

• Assignment Options: Unattended

• Compatible with autoscale: Yes *

Configuration options

This section contains tab configuration details specific to this smart service. For more information about common configurations see the Process Node Properties page.

Data tab

The Data Tab displays the node inputs and outputs for the activity. You can add additional inputs and custom outputs, if needed.

Node inputs

The default inputs include the following:

Input	Data Type	Description	Required	Multiple
Constant	Constant	The constant of type Number (Integer) to be incremented/decremented. Typically, you should use the picker or autocomplete to select the constant. You can also use a custom expression function plug-in that returns the desired constant.	Yes	No
Increment By	Number (Integer)	The positive or negative value by which to increment the constant.	Yes	No

Usage considerations

Run at low throughput in autoscaled processes

This smart service is not intended for high-throughput usage and should only be used at low frequency in processes with autoscale enabled. The underlying services this node relies on may not scale to the same degree as autoscale-enabled processes, which may impact performance at high concurrency.

For autoscaled processes, consider one or more of these approaches:

• Position this node in less used paths within your process flow. This could be an exception path or an uncommon case for the process.
• Monitor node execution times during performance testing to see if the node performs differently at scale.

When used in an autoscaled process, the node should behave as it would in a standard process of comparable scale. For typical workloads, no special design considerations are needed.

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