How do I modify the content by adding an output an email in sendmail()

So i been using sendmail() to try to send an email with matlab, but are there any way that I can put the output of one function in the content of the mail

for example

sendmail('[e-mail]','SMART PARKING SYSTEM','Your license ... has resgister at: ') ;

are there anyway that the "your license is..." can be added the output of the previous function

please help

thank you

Answer 1

[Image Analyst]

Make it a character array

str = sprintf('Your license ... has register at: %s', whatever) ;
sendmail('[e-mail]','SMART PARKING SYSTEM', str) ;