Prevent Doublebooking in a SPO Calendar that uses a choice field

C Mo 20 Reputation points
2023-05-15T13:59:19.0833333+00:00

We intend to use a SharePoint online calendar to reserve fleet cars. Currently, selection of a vehicle is done using a choice (dropdown) field. We need a way to ensure that a single vehicle is not double booked. Please help! Thank you in advance -

SharePoint Development
SharePoint Development
SharePoint: A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.Development: The process of researching, productizing, and refining new or existing technologies.
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SharePoint Workflow
SharePoint Workflow
SharePoint: A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.Workflow: An orchestrated and repeatable pattern of business activity, enabling data transformation, service provision, and information retrieval.
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  1. RaytheonXie_MSFT 30,906 Reputation points Microsoft Vendor
    2023-05-16T05:50:32.4133333+00:00

    Hi @C Mo,

    Currently there is no such method to reach your requirement in SharePoint. A common workaround would be using Power Automate to check after the new event creation, delete the duplicate entry if any. Here is an example: Prevent double booking SharePoint calendar for the day.

    In addition, there is a PowerApps Office Template named Book a Room that might do some help on this scenario. Reference: Office Template: Book a Room now available.

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