c11a445c_enter_Web_Callback___8x8__Inc___Parameter_Name
[Description] This attribute can be used to pass name value pairs that will be used for triggering build-in callback function. [Accepted value] Please refer to section ‘ctl_userdata’ below. [Mandatory] No [Parameter Name] 
ctl_userdata
Virtual Contact Center Web Callback | 8x8, Inc.
Parameter Name