Function updateInvitation

updateInvitation(
    token: string,
    form_data: Partial<SurveyInvitation>,
    method?: "put" | "patch",
): Observable<SurveyInvitation>
Update the surveyinvitation in the database
Parameters
- token: string
- form_data: Partial<SurveyInvitation>
  New values for the invitation
- method: "put" | "patch" = 'patch'
  HTTP verb to use on request. Defaults to patch
Returns Observable<SurveyInvitation>
- Defined in staff/invitations/functions.ts:45