# Function: getEffectivePropertyKeysFromSchema()

> **getEffectivePropertyKeysFromSchema**(`schema`): `string`[] | `undefined`

Defined in: [helpers/schema.ts:9](https://github.com/coda/packs-sdk/blob/b2b4c9dba5ca748bdbb94481cc13b5ca3c328ef6/helpers/schema.ts#L9)

A helper to extract properties fromKeys from a schema object. This is mostly useful in processing the context.sync.schema in a sync formula, where the schema would only include a subset of properties which were manually selected by the Pack user.

## Parameters

| Parameter | Type | | --- | --- | | `schema` | [`Schema`](../../type-aliases/Schema/) |

## Returns

`string`[] | `undefined`