I try receiving data from external website with webhook. But, Access to fetch at webhook from origin external website has been blocked by CORS policy. so, i want to allow to access control allow origin setting in botpress webhoo. what can i do?

You need to use a proxy service to avoid CORS. Most simple is to send the payload to a .PHP page and let it post the data to botpress webhook

That is only solution for this problem? So, Every botpress user must use proxy service ???

It is not related to Botpress, the block is at the browser end. Add a meta tag and check if it resolves the problem <meta http-equiv="Content-Security-Policy" content=" default-src 'self' 'unsafe-inline' 'unsafe-eval' https://code.jquery.com https://ajax.aspnetcdn.com *.botpress.cloud *.gstatic.com; img-src * data:; frame-src *; connect-src 'self' https://analytics.google.com https://www.google.co.in https://www.facebook.com;">

this occur problem what i don't know. i notice that meta tag is not a solution on CORS. so i need help botpress in external website receive data from that website.