> For the complete documentation index, see [llms.txt](https://docs.highcohesion.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.highcohesion.com/creating-streams/systems/system-library/dear-systems-integration-functions.md).

# DEAR Systems

## Functions

The following list of functions are available in the DEAR Systems system:

### GetFulfillment

### GetProduct

### GetProductAvailability

### GetPurchase

### GetPurchaseList

### GetPurchaseOrder

### GetPurchaseOrderSkus

### GetSaleList

### PostInventoryStockLevels

### PostItemArrivals

### PostProduct

### PostPurchaseOrder

### PostSaleOrder

### PostSaleUpdate

### PostShipment

### PostShipmentUpdate

### PostSupplier

{% hint style="warning" %}
Functions lists are expanding weekly, this list was accurate at the date of publishing.
{% endhint %}

## Settings

The following settings below are optional for DEAR Systems integrations.

We have implemented the filters by prefix. You need to add the prefix of the function that you are using for the filter that you want to apply.

 For example, if you are using the function Purchase, the filter settings will look like:

```
Purchase_Status="PROCESSING"
```