# OTS Signs Command Center Documentation
OTS Signs Command Center is an open source digital signage solution. It supports all main media types and can be interfaced to other sources of data using CSV, Databases or RSS.
Keywords: digital signage, signage, narrow-casting, ots-signs, open source, agpl, documentation

# Connectors Management

Modules that rely on a third party service for data, Stocks for example, need further configuration with API keys etc.

Once the Module has been enabled and you have the required API key:

- Go to the Applications page under the Administration section of the main CMS menu.
- Scroll down to the Connectors section of the page.

Here you can see all third party services which can be configured:

- Click the Configure button of the Connector to configure:

- Provide the API key you have been given and ensure that you tick the Enabled box to tell the Connector to start providing the service to the relevant Modules.