Property or method "rawVal" is not defined

[psprokofiev]

hi, that is code
<masked-input mask="\+\1 (111) 1111-11" placeholder="Phone" @input="rawVal = arguments[1]" />
that is warning in console

[Vue warn]: Property or method "rawVal" is not defined on the instance but referenced during render. Make sure to declare reactive data properties in the data option.

and in request will sending not raw phone, but '+1 (111) 1111-11' format

[paladosss]

console.log(this.rawVal);