# wx.getBackgroundFetchData(object object)

Start from base library version 2.8.0. Please remaining backward compatible.

with Promise style call: Supported

Mini Program plugin: Not supported

Pull backgroundFetch Client cache data

# parameter

# object object

attribute type Default values Required Introductions
fetchType String yes Cache data category, with a value of periodic or pre
success function no Interface calls the successful callback function
fail function no Interface calls failed callback functions
complete function no Callback function at the end of an interface call (both successful and unsuccessful calls are executed)