Variable: Difference between revisions
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Variables can be numerical, string, or true/false. | Variables can be numerical, string, or true/false. | ||
==== Usage ==== | |||
<syntaxhighlight>Variable:[IntraBarPersist]VariableName1(InitialValue1[,DataN]), [IntraBarPersist] | |||
VariableName2(InitialValue2[,DataN]),etc.</syntaxhighlight> | |||
Parameters inside the square brackets are optional | |||
==== Parameters ==== | |||
[[IntraBarPersist]] - an optional parameter; specifies that the value of the variable is to be updated on every tick | |||
If this parameter is not specified, the value will be updated at the close of each bar. | |||
[[VariableName]] - an expression, specifying the variable name | |||
The name can consist of letters, underscore characters, numbers, and periods. | |||
The name cannot begin with a number or a period and is not case-sensitive. | |||
[[InitialValue]] - an expression, specifying the initial value and defining the variable type | |||
The value can be a numerical, string, or true/false expression; the type of the expression defines the variable type. | |||
[[DataN]] - an optional parameter; specifies the Data Number of the data series the variable is to be tied to | |||
If this parameter is not specified, the variable will be tied to the default data series. | |||
==== Example ==== | ==== Example ==== | ||
Declare Avg. as a numerical variable with the initial value of 20: | Declare Avg. as a numerical variable with the initial value of 20: |