diff --git a/sampleApp1.m b/sampleApp1.m
index 87a4701..4882d87 100644
--- a/sampleApp1.m
+++ b/sampleApp1.m
@@ -1,8 +1,24 @@
-%% This function was automatically generated. When modifying its signature, take care to apply
-%% modifications also to the descriptor files in the repository.
+%% -----------------
+%% Copyright © 2022 ACK Cyfronet AGH, Poland.
+%% -----------------
+%%
+%% Sample function created for demonstration of creating custom applications functionality
+%% See also https://docs.cyfronet.pl/display/ISDOC/Creating+Custom+Applications
+%%
 function sampleApp1(inVector, multiplicator)
 
-%% SAMPLEAPP1
-%% TODO: Put your application code here
+%% sampleApp1 function that multiplies a vector of number values by a multiplicator and plots the result
+%
+% Inputs:
+%   - inVector - vector of double number values
+%   - multiplicator - scalar number by which the inVector will be multiplied  
+%
+% Outputs:
+%   - PNG image file 'multipliedVec.png' containing a plot of the inVector multiplied by multiplicator
+%
+
+    multipliedVec = inVector .* multiplicator;
+    plot(multipliedVec);
+    print('-dpng', 'multipliedVec.png');
 
 end