$avg

$avg operator helps you in calculating average of some values in an expression. You can use this in any Expression Object

Syntax

{
    "$avg":[<expr>, <expr> ,....]
}

Properties

Field	Description	Required
<expr>	The <expr> expression can be any valid expression as long as it resolves to a number. It can also be a Magical Autocomplete.	true

Returns

float - The result of $avg operation

Examples

Basic example

{
    "$avg": [1,2,3,4,5]
}

The above expression returns 3.0

With Nested Expressions

{
    "$avg": [
        1,
        2,
        { "$add" : [1,2] },
        { "$pow" : [2,2] },
        5
    ]
}

The above expression calculates the nested expressions, return 3 and 4 respectively in its place and then the outer $avg expression returns 3.0 overall.

With Magical Autocomplete

Let's say we have declared a variable temp of type array in our API flow, which has a value of

[ 2,4,8,2 ] currently.

{
    "$avg":"$.variables.temp"
}

The above expression would resolve to a result of 4