This field you must enter the location of the area you've entered in the Forecast7 Weather URL field (e.g: TOKYO), this field is case sensitive, meaning it must be capitalized.
You can use either the default URL generated (e.g: https://forecast7.com/en/35d71139d73/tokyo/) or use the same URL with {language} (e.g: https://forecast7.com/{language}/35d71139d73/tokyo/).
In some cases this is a requirement, in these cases use the below snippet, for those that don't know if this applies to them please read the official docs.
frame-src https://weatherwidget.io/ in case you've overwritten the default csp header."frame-src" => [
"self" => true,
"allow" => [
'https://weatherwidget.io/'
]
],