'Template' or 'TemplateSid'&'TemplateLanguage' or 'MediaUrls' is required to send Broadcast
All next attributes are missing: 'Template', 'TemplateSid', 'TemplateLanguage', 'MediaUrls'
Use one of the attributes 'Template', 'TemplateSid', 'TemplateLanguage', 'MediaUrls' to specify Broadcast content