--- title: Relating Configuration Item to a Service slug: itsm-en/relating-configuration-item-to-a-service description: Learn how to create relationships between Configuration Items and Services in the CMDB to highlight dependencies. This enables CI operators to identify affected services during changes, incidents, or service portfolio management. Follow a step-by-step pro docTags: createdAt: 2021-10-27T19:51:17.000Z --- The creation of the relationship between Configuration Items and Services aims to **highlight in the CMDB the existing dependencies between each of these elements**. The creation is made to assist the CI operators to identify services or items that will be impacted during a change, whether in the CI area, in the handling of an incident, a change, or a service portfolio. The relationship exists as follows: - Between Configuration Items and others Configuration Items; - Between Configuration Items and Services of Business/Support; ## What to do before The creation of the relationship requires: - [x] Have access to the **CMDB Management** **Interface **(see Creating Access Profile); - [x] Creating the type of CI relationship (see Creating type of CI relationship); - [x] Have Configuration items inventoried; - [x] Have services configured in the portfolio (business/support); ## Procedure 1. Access the functionality through the menu `Processes > Configuration Management > CMDB`; 2. Search and select a Configuration Item; 3. Click on the "**Relationship**" left option, then click on "**Edit**"; 4. Complete the fields available; 5. Click on "**Save**" to save the changes.