/usr/share/puredata/doc/2.control.examples/sendnumber.pd is in puredata-doc 0.48.1-3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | #N canvas 171 73 718 283 12;
#X obj 34 60 inlet;
#X obj 34 88 float \$1;
#X obj 34 116 send \$2;
#X text 26 225 For obvious reasons you might not want to call a patch
as an abstraction from itself.;
#X text 151 183 In this case \$1 is a number you can specify and \$2
is a "send" destination.;
#X text 461 260 updated for Pd version 0.26;
#X text 154 103 When you call an abstraction by typing \, say \, "sendnumber
1 x" in an object box. the subpatch can access the values of the creation
arguments (1 and x) as "$1" and "$2" inside object boxes. Typing \$1
inside a message box has a different meaning (see the message box help
window.);
#X text 155 31 This window is used by 11.subpatch.pd to demonstrate
the abstraction mechanism in Pd. If you've opened this window directly
\, you might also want to open the other one to see how it's used.
;
#X connect 0 0 1 0;
#X connect 1 0 2 0;
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