Highly recommend first watching the intro to parameters training video. That will provide the necessary background for the below article.
Filters / parameters can be set via URL using the parameter syntax that is appended to the embed URL (note this only works for explicit scope filters/visuals):
There are 3 types of filters, each of which requires slightly different setup.
Let’s say I have a custom filter (output parameter as report_status) with two possible values – Red or Green.
We can set the default value / pre-selected filter by using the following URL: