--- title: How do I set a class size for a specific group class? description: This article explains how to set a max capacity for a specific group class which overrides the service-level capacity if set. --- [Skip to content](https://kb.opus1.io/how-do-i-set-a-class-size-for-a-specific-session#main-content) English Show submenu for translations ![Opus1-3-icon-color-1.png\]](https://kb.opus1.io/hs-fs/hubfs/Opus1-3-icon-color-1.png?height=50&name=Opus1-3-icon-color-1.png) Open main navigation Close main navigation - English Show submenu for translations - Go to opus1.io Go to opus1.io Hello. How can we help you? - There are no suggestions because the search field is empty. 1. [opus1io Knowledge Base](https://kb.opus1.io/?hsLang=en) 2. [Services](https://kb.opus1.io/services?hsLang=en) 3. [Group Classes](https://kb.opus1.io/services?hsLang=en#group-classes) # How do I set a class size for a specific group class? ## This article explains how to set a max capacity for a specific group class which overrides the service-level capacity, if set. By default, the maximum capacity for a group class is set at the service level. However, Opus1.io allows you to set a maximum capacity for a specific group class that overrides the service-level capacity if set. Setting the class size for an individual group class can be useful for multiple reasons, e.g. one particular group class is held in a smaller class room than the other group classes, so you have less room for clients. To set the class size for an individual group class as you're creating the group class, toggle on **How many clients can attend a class or appointment of this group class?** while creating a new group class. ![](https://kb.opus1.io/hs-fs/hubfs/image-png-Feb-15-2024-04-10-02-9017-PM.png?width=670&height=887&name=image-png-Feb-15-2024-04-10-02-9017-PM.png) Class sizes of previously created group classes can also be changed by navigating to the group class and clicking the **Edit Group Class** button above the group class calendar.  ![](https://kb.opus1.io/hs-fs/hubfs/image-png-Feb-15-2024-04-11-11-1321-PM.png?width=670&height=875&name=image-png-Feb-15-2024-04-11-11-1321-PM.png) You will notice that this will be enforced at **Self-Booking** and will limit the open slots for clients to book. ![](https://kb.opus1.io/hs-fs/hubfs/image-png-Feb-15-2024-05-43-07-1839-PM.png?width=670&height=880&name=image-png-Feb-15-2024-05-43-07-1839-PM.png) Questions? 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