# Global variables

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**Global variables** store the same value for all users 
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For example, you have created a global variable %number\_of\_orders% and you want to store in it the number of users who have left a request for your product. 

In such a case, at the end of the ticket collection script, you can add a "set variable" step that will add one to the %number\_of\_tickets% variable. 

So you can store exactly the total number of applications: each new one will be taken into account. The bot will increment the same variable regardless of which user it is chatting with. For such purposes, a global variable is great. 

And with the help of a global array variable, you can distribute limited promotional codes.