grandMA3 User Manual Publication
GetVar(handle, string)
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grandMA3 User Manual » Plugins » Lua Functions - Object-Free API » GetVar(handle, string)
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Version 2.2
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Description
The GetVar Lua function returns the value of a specific variable in a set of variables. To learn more about the variables in plugins, look at the Variable Functions topic.
Arguments
- Handle:
The handle of variable set. - String:
The name of the variable. It needs to be in quotation marks.
Return
- Value:
This is the value of the variable.
If the variable does not exist, then nil is returned.
Example
This example returns the value of a variable called "myUserVar" in the set of user variables if it exists:
Lua |
return function() -- Get the value from a user variable called "myUserVar" - assuming it already exists local varValue = GetVar(UserVars(), "myUserVar") -- Print en error feedback or the value of the variable if varValue == nil then Printf("Variable returns nothing!") else Printf("Variable value is: " .. varValue) end end |