Source Keys

Source keys are the array keys of the data from your data source.

Sample Data Array

array(                    
    'key1' => 'Hello',      
    'key2' => 'World',      
    'key3' => array(        
        'sub_key1' => 'Have',
        'sub_key2' => 'nice',
        'sub_key3' => array(
            'value' => 'day'
        )
    )
);

Single key

Source Key: key1

Output: Hello

Nested Arrays

Dot . with NO SPACES outputs child elements of an array.

Example 1

Source Key: key3.sub_key1

Output: Have

Example 2

Source Key: key3.sub_key2

Source Key: key3.sub_key2

Output: nice

Example 3

Source Key: key3.sub_key3.value

Output: day