Basic information
This component aggregates the message queue which sends information on stock level changes to a relevant POS Agent in a given shop. Such an update is necessary, as upon the issuing of documents in the ERP system it is necessary to:
- verify the current stock level on the POS workstation before generating a document which retrieves stock levels from a warehouse assigned to POS
- enter data to the message queue, e.g. after increasing stock levels when a relevant document is issued
Installation and configuration of POS Agent Broker
Before the installation of POS Agent Broker, it is necessary to turn on additional Windows features – Internet Information Services (IIS). To do so, it is necessary to open Control Panel → Programs → Turn Windows features on or off → Internet Information Services and select Web Management Tools and WWW Services. It is required for proper component installation.
![](https://help.comarch.com/pos/20215/wp-content/uploads/2021/01/82.png)
POS Agent Broker may be installed with the use of Comarch ERP Auto Update by adding the product Comarch Retail and the component Comarch POS Agent Broker.
![](https://help.comarch.com/pos/20215/wp-content/uploads/2021/01/83-e1610611772483.png)
This model uses the message broker Apache Kafka, thanks to which it is possible to handle a large number of messages.
Configuration in cooperation with Comarch ERP Standard has been described in Comarch POS Agent Broker article.