Hello Friends!!
I am here going to share my knowledge about one more important hooks of the wordpress. If you have created a custom post type and want to add their custom taxonomy category slug as prefix in post URL without any changes in wordpress core files then follow given steps. You will need to add given below code into your theme function.php file.’
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Sr. Software Engineer
Raghunath Gurjar 
Thanks for sharing this solution! I have a couple of questions
The step 3 will be also in functions.php?
I belive i have to replace The mrwebsolution for my website name…Am I correct?
Yes, you can replace it with your company name or leave it as it is. These are optional .
You would be need to add all code in your theme function.php file.