# Function: convertClassPropertiesToJson()

> **convertClassPropertiesToJson**(`obj`): `JsonObject`

Defined in: [packages/bitbadgesjs-sdk/src/common/base.ts:325](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/common/base.ts#L325)

Converts a class instance to a JSON object, accounting for bigints.
Does not preserve functions.

## Parameters

### obj

`any`

## Returns

`JsonObject`