assistance-engine/docs/developer.avapframework.com/appendices_12.md

variableFromJSON()

The variableFromJSON() command extracts the value associated with a specific key from a JSON object and stores the result in a target variable. This command is useful for accessing values within a JSON object.

Parameters

• SourceVariable Type: var Description: The variable containing the JSON object from which a value is to be extracted. It can be a variable that stores the JSON object or a direct value representing the JSON object.
• key Type: value Description: The key whose value is to be extracted from the JSON object. It must be a value that represents the key within the JSON object.
• TargetVariable Type: var Description: The variable where the extracted value will be stored. It must be a variable that will receive the value associated with the specified key in the JSON object.

Command Flow

Usage Example

Suppose the JSON object in jsonData is "name": "Alice", "age": 30 and you want to extract the value associated with the key "name" .

// Variable definitions
jsonData = {"name": "Alice", "age": 30}
nameValue = ''

// Call the command to extract the value associated with the key "name"
variableFromJSON(jsonData, "name", nameValue)

// Return the extracted value through addResult
addResult(nameValue)

Since the value associated with the key "name" in the JSON object jsonData is "Alice" , the variableFromJSON() command will extract "Alice" and store it in the variable nameValue . The nameValue variable will be returned through addResult(nameValue) , resulting in the following output:

"Alice"