field()
Receives the field name as an expression and returns the field value. It is also used to refer to the field name containing the blank.
Syntax
field(EXPR)
Required Parameter
EXPR
- Expression that returns a field name
Usage
json "[
{'Registered No.': 1, 'Item':'Fender Precision Bass'},
{'Registered No.': 2, 'Item':'Gibson Jazz'}
]"
| search field("Registered No.") == 2