Jay, this is a reliable method for capturing ECID.

It seems you confused the query string parameter and its value. Query string parameter _crm_ exists in the processing rules means that the URL should include ?_crm_=value. The tracking code report in the screenshot says there were URL like ?parameter=apppush_crm_something Your processing rule should...

The dashboard created in the Reports UI can't be filled with visualizations from Workspace.

Camille,This is because the Page dimension works as a variable with linear allocation in Reports while in Workspace it is processed as a classical prop.

Yes, you are right, the cumulative function will not work with this dimension. Sorry for pointing you to a wrong direction.

I would advise you to contact CustomerCare.

Create a calculated metric with the cumulative function. While it will not allow you to filter the list automatically, it will definitely help build the table you shared in the screenshot. ---Help make Adobe Analytics better, vote for the ideas:Append variable name to the classification based dimens...

Yes, it's absolutely possible to set goals for metrics. Setting them up per URL would be way more complex. Read about Data Sources to get an idea of how to load data (goals/ targets). ---Help make Adobe Analytics better, vote for the ideas:Append variable name to the classification based dimensions ...

add freeform table to a paneladd Page Views metric into the tablereplace Day dimension with Page dimensionlimit the number of displayed lines by 10

I think you may need to use another API method to pull report suite logs rather than the configuration. Then by parsing the log, it will be possible to find all changes happened with a certain variable.