how can limit the number of responses

how can I limit the number of responses

Hello,

You can ass submission limit to your form and disable it when it reaches. To do that, go to your form and click Settings at top, then click Form Settings at left bar. There you will see Form Status dropdown menu. Choose Disable on submission limit and enter the limit you wish.

Let us know if this helps, also you can check this guide for further info.

Best regards.