Has anyone got examples of how to use the Export to Excel shared component?

I have two primary questions:
One, I need to write a CDT list, but only specific elements.
Two, I want to write the data starting at a specific row, into an existing spreadsheet, and match specific columns. The spreadsheet runs formulas and summaries based on where I put the data.

I'm not 100% sure that I'm being clear, but if anyone has experience with this, I'd love the help...

I have two primary questions:
One, I need to write a CDT list, but only specific elements.
Two, I want to write the data starting at a specific row, into an existing spreadsheet, and match specific columns. The spreadsheet runs formulas and summaries based on where I put the data.

I'm not 100% sure that I'm being clear, but if anyone has experience with this, I'd love the help...