Plugin Example — TwigExtension Dynamic URL

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1

Could somebody please supply a link to an example which does the following?

I want to create a plugin which is capable to intercept a specific given url path to query a remote REST API.

www.example.com/custom/<.>/<.>

<- if that url is opened, there shall be no page exist in Grav but only a call to my plugin which reads all url parameters, calls an external REST api, obtains the data and fills a Twig template with the result-values inclusive all meta-header data on that page.

I have dynamic values in a database which are completely split apart the Grav installation
and some urls in my Grav installation are supposed to be 100% dynamic based on external services.

Thank you very much.

2

the part with query a rest service is no problem ( solved already with guzzle ) I need information about URL interception and calling a template inside the plugin so that i can fill it with the queried values.