Add Variable

Add Variable node is designed to perform addition operations and store the result in a specified variable. This node can add a value to an existing variable.

Properties Panel

Field	Description	Required
Node name	Node Name	true
Variable Name	The name of the variable where the result will be stored	true
Value	The value to be added	true

Usage

1. Specify a variable name whose value needs to be fetched and then the result will be stored.

2. Enter the value to be added.

Behaviour

• If the specified variable doesn't exist, it will raise an error.

• If the variable already exists, the provided value will be added to the current value of the variable.

Returns

The node stores the result of the addition in the specified variable. You can access this using Magical Autocomplete (e.g., $.variables.<variable_name>) in any node below this node.

Example

Let's say you want to keep a count of processed items:

1. Set Variable name to $.variables.processed_count

2. Set Value to 1

If the value of processed_count was 3, it will now be 4. If such variable doesn't exist, it'll raise an error.

Best Practices

• Be aware of the data type of your variables. This node performs numeric addition, so non-numeric values may lead to unexpected results.

• Ensure that the variable is initialised earlier.