[FieldTrip] Project numerical values on a cortical mesh

[Fereshte]

Dear Experts,
I have assigned numerical values to 1000 vertices of a cortical mesh ( a
matrix of 1000 rows and 4 columns;  which the first 3 columns show the
position of each vertex and the last column shows the numerical value) .How
can I project and show these numerical values on the cortical mesh?
Thanks in advance!
Regards
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