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# Verify an installation

Verification of an installation is a crucial step that occurs after the installation has started. It allows the technician to ensure that the installation process proceeded smoothly and the equipment is functioning as expected.

|| User access: FleetiSuperAdmin, FleetiAdmin, FleetiCustomerService, FleetiCustomerServiceAdmin, FleetiOperator, FleetiTechnician, FleetiTechnicianAdmin

| The first verification of an installation is possible if the installation's status is _In Progress_.

|| Only a user with the Technician role can perform the initial verification.

## Accessing Verification

To initiate the verification process, go to the installation's view and click on the "Verify" button.

## The Verification Process

The verification process involves checking various aspects of the installation:

- **State Update**: An error is flagged if the last state update is earlier than today.
- **Accessories**: An error is raised if an accessory sensor fails to return a value.

## The Verification Result

The verification process yields a global result for the installation, which can be one of the following:

- **OK**: If everything is functioning as expected for both the gateway and accessories.
- **Not OK (NOK)**: If there are errors detected in any of the equipment.
- **Neutral**: If there was nothing specific to verify.

| The global result is prominently displayed in the report section of the installation view.

## Detailed Verification Results

- A verification result status badge is displayed on the gateway card.
- "See More" button for verification results is displayed on the gateway card. Click on the button to display the details of the verification of the gateway.

![Gateway Verification Result](https://storage.crisp.chat/users/helpdesk/website/a2e7004c3ef32800/image_wvgg8p.png)

## Accessories Verification Status

- A verification result status badge is also displayed on each accessory card.
- The verification result can be one of the three: OK, NOK, or Neutral.

| An installation can be verified as many times as necessary as long as it has the status _Verified_ or _Completed_. This action is accessible to any user with access to the installation.

Performing a thorough verification ensures the installation is in optimal condition and ready for further operations. It provides confidence in the successful setup and functioning of the equipment within the installation.