I have a context like below, from this, i want to get the value of the custpage_setting_rec_id, how can i take?
{"request":{"type":"http.ServerRequest","method":"POST","url":"
KKKKKKKKKKKKK","parameters":{"nlloc":"0","nlsub":"26","_button":"",
"nsapiFC":"","wfVF":"","nlapiVF":"","sublist_idfieldsets":"1","externalid":"","nlapiRC":"",
"_eml_nkey_":"7116280_SB2~8150~3~N","nlapiVI":"","type":"suitescriptform","inpt_custpage_wf_action":"Approve","nlapiVD":"","deploy":"1","nsapiRC":"","customwhence":"","nsapiVF":"",
"sublist_idsortidx":"11","nsapiVD":"","nlapiVL":"","nsbrowserenv":"istop=T","nextsublist_ididx":"15","id":"","nsapiVL":"","nlapiFC":"","nsapiVI":"","custpage_actionfield":"",
"sublist_idflags":"4\u00010\u00010\u00010\u00010\u00010\u00010\u00010\u00010\u00010\u00010\u00010","wfPS":"",
"entryformquerystring":"script=1479&deploy=1&compid=7116280_SB2&custpage_actionfield=type_trigger&custpage_wf_action=Approve&custpage_setting_rec_id=1",
"script":"1479","custpage_setting_rec_id":"1","submitted":"T"}}