---
title: LogicalFromElement
slug: neurons-for-itsm/admin-user-help/enu/latest/logicalfromelement
createdAt: 2026-07-14T19:16:44.465Z
---

Returns a logical value from a specified JSON element.

## Syntax

LogicalFromElement(jsonString, nodeName, fieldName)

## Enabled For

For a description of the business object categories, see [Notes on "Enabled For"](docId\:u26v9feCFs6iLwA0-PVJd).

| Business Object Category                                                                                                                                                                                                                                                                             | Yes/No |
| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------ |
| Business Rules: Before-Save Rules                                                                                                                                                                                                                                                                    | Yes    |
| Business Rules: Calculation Rules (After Save, with or without Also Recalculate on Load)                                                                                                                                                                                                             | Yes1   |
| Business Rules: Calculation Rules (Before Save or Always, without Also Recalculate On Load)                                                                                                                                                                                                          | Yes    |
| Business Rules: Calculation Rules (Before Save or Always, with Recalculate On Load)                                                                                                                                                                                                                  | Yes1   |
| Business Rules: Editing Rules                                                                                                                                                                                                                                                                        | Yes2   |
| Business Rules: Initialization Rules                                                                                                                                                                                                                                                                 | Yes    |
| Business Rules: Read Only Rules                                                                                                                                                                                                                                                                      | No     |
| Business Rules: Required Rules                                                                                                                                                                                                                                                                       | Yes2   |
| Business Rules: Validation Rules                                                                                                                                                                                                                                                                     | Yes    |
| Client Expressions                                                                                                                                                                                                                                                                                   | No     |
| Object Permissions                                                                                                                                                                                                                                                                                   | No     |
| Services                                                                                                                                                                                                                                                                                             | No     |
| LDAP                                                                                                                                                                                                                                                                                                 | No     |
| Mobile                                                                                                                                                                                                                                                                                               | No     |
| Quick Actions (except UI Quick Actions)                                                                                                                                                                                                                                                              | Yes    |
| UI Quick Actions                                                                                                                                                                                                                                                                                     | No     |
| Reports                                                                                                                                                                                                                                                                                              | Yes    |
| Search/Dashboard without field references                                                                                                                                                                                                                                                            | No     |
| Search/Dashboard with field references                                                                                                                                                                                                                                                               | No     |
| 1. Not fully supported in calculation rules that have a condition of **After Save** or the **Also Recalculate on Load** option selected. It may fail if the rule's field is used in a grid, form, or saved search.<br />2. Except when this field appears on a form or is triggered by such a field. |        |

## Parameters

| Parameter  | Description       |
| ---------- | ----------------- |
| jsonString | Input JSON string |
| nodeName   | NodeName          |
| fieldName  | FieldName         |

## Return Value

Returns a logical value from a specified JSON element.

## Example

```javascript
$(LogicalFromElement('{"book":[{"category":"reference","author":"Nigel Rees","title":"Sayings of the Century","price":8.95},
{"category":"fiction","author":"Evelyn Waugh","title":"Sword of Honour","price":12.99},{"category":"fiction","author":"Herman Melville","title":"Moby Dick","isbn":"0-553-21311-3","price":8.99},{"category":"fiction","author":"J. R. R. Tolkien","title":"The Lord of the Rings","isbn":"0-395-19395-8","price":22.99}],
"bicycle":[{"color":"red","price":19.95,"used":"True","returnDate":"2012-04-23T18:25:43.5111Z"}]}', "bicycle", "used"))
```

Returns this value: True