Hello @Kazza,
Thank you for posting your query onto the Forum.
I’ve mentioned a link below of a video which may help you in retrieving the records using a stored procedure that has multiple parameters.
Hoping you find this link useful and can help you to achieve your desired analysis.
Thanks & Warm Regards,
Harsh
[Stored Procedure with Parameter in Power BI] -
(https://www.youtube.com/watch?v=P5OXO994I0U)