@property<EOL><INDENT>def cmd(self):<DEDENT>
value = None<EOL>for insndesc in self.structure:<EOL><INDENT>if insndesc['<STR_LIT>'] == '<STR_LIT>':  <EOL><INDENT>value = None<EOL><DEDENT>elif insndesc['<STR_LIT>'] == '<STR_LIT>':<EOL><INDENT>value = insndesc['<STR_LIT:value>']<EOL><DEDENT><DEDENT>return value<EOL>
Determine the final CMD instruction, if any, in the final build stage.
CMDs from earlier stages are ignored.
:return: value of final stage CMD instruction