The "/record/commit" route 

This route is a gateway for posting form data to the \TYPO3\CMS\Backend\Controller\SimpleDataHandlerController .

You can send data to this file either as GET or POST vars where POST takes precedence. The variable names you can use are:

data

data
Data type
array

Data array on the form [tablename][uid][fieldname] = value.

Typically it comes from a POST form which submits a form field like <input name="data[tt_content][123][header]" value="This is the headline">.

cmd

cmd
Data type
array

Command array on the form [tablename][uid][command] = value. This array may get additional data set internally based on clipboard commands send in CB var!

Typically this comes from GET vars passed to the script like &cmd[tt_content][123][delete]=1 which will delete the content element with UID 123.

cacheCmd

cacheCmd
Data type
string

Cache command sent to DataHandler->clear_cacheCmd().

redirect

redirect
Data type
string

Redirect URL. The script will redirect to this location after performing operations (unless errors has occurred).

flags

flags
Data type
array

Accepts options to be set in DataHandler object. Currently, it supports "reverseOrder" (boolean).

mirror

mirror
Data type
array

Example: [mirror][table][11] = '22,33' will look for content in [data][table][11] and copy it to [data][table][22] and [data][table][33].

CB

CB
Data type
array

Clipboard command array. May trigger changes in "cmd".

vC

vC
Data type
string

Verification code.