If it's a footprint, I recommend looking at the Gerber data in the demo kit.
CY8CKIT-042 for PSoC4 44-TQFP package
NOTE : The guidelines may differ depending on the manufacturer of each company. Especially the processing of the exposed pad.
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You can refer to the Page 38 to 40 of the PSoC 4200 datasheet for the package outline information.
The link to the datasheet of the mentioned device is: https://www.cypress.com/file/138656/download
The following link contains information regarding the Family Schematic Symbols and PCB Footprints: https://www.cypress.com/cad-resources/psoc-4-cad-libraries
Kindly let me know if this helps.
Thanks and Regards