Variable Operation

Working with variables in bot: instructions for using "Variable Operation" block

A way to write an arbitrary value to a variable with the ability to perform calculations before writing. This is perfect for creating tests or quizzes.

When entering this block, an operation on the variable is performed and the user is immediately redirected to the next block via connection.

Currently, you can choose four types of operations:

• Arbitrary value
• Mathematical expression
• Mathematical expression 2.0
• Mass assignment

Arbitrary Value

A simple operation that writes the specified value to the specified variable.\ In this type of operation, you can use Mathematical Operations.

Mathematical Expression

You can set an arbitrary mathematical expression with simple arithmetic operations.

In the expression, you can operate with the current variable. For this, its name must always be x, i.e., in this example, x equals the value of the "Points" variable.

The expression x + 1 means that one will be added to the value of the "Points" variable, and the calculation result will be written to the "Points" variable.

This is perfect for tests or quizzes. Simply place this block between the answer and the next question, and award some points for each question. At the end of the test, you can display the result in the "Simple Message" or "Message Chain" block. This variable will also be present when exporting data from the bot to Excel.

Mathematical Expression 2.0

This type allows you to perform simple arithmetic operations with two or more variables.

This is perfect for calculations where you need to account for several user responses to calculate the final value.

Mass Assignment

This type allows you to assign multiple variables to a user with one block.

Writing Local Variable to Global Using "Variable Operation" Block

With this block, you can write a local variable to a global one. In an arbitrary expression, you can use autosubstitution (variables, functions, etc.). The user variable is written to the value/expression and it is written to global if you specify the resulting variable type as "global".

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