How to update the TOC of the merged projects?

[#1]

Kindly let us know the steps to update the TOC of the merged projects.
I'm using the RoboHelp 2019.0.10 version.
And the output used is Responsive HTML5.

[#2]

Kindly let us know the steps to update the TOC of the merged projects.
I'm using the RoboHelp 2019.0.10 version.
And the output used is Responsive HTML5.

[#3]

Have you looked at Peter's site about merged projects? See grainge.org 

[#4]

You update the child project. There is now a merged help for 2019 New UI on my site.

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www.grainge.org

[#5]

See Peter's site - http://www.grainge.org/pages/authoring/merging_webhelp/merging_method_2019.htm