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Expression	`some value`
JSON	`"var": "some value"`
Explanation	Unquoted values that are added to the JOC Cockpit GUI are considered strings if they do not start with a digit, a Boolean value or the name of a built-in function.

Expression	`'some value'`
JSON	`"var": "'some value'"`
Explanation	Single quoted values are considered string constants.

Expression	`"\t means the TAB control character"`
JSON	`"var": "\"\\t means the TAB control character\""`
Explanation	Double quoted values can hold special special characters and variables. Inside double quotes backslashes are automatically doubled with the JSON storage format.

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Expression	`1`
JSON	`"var": 1`
Explanation	Numeric values that are assigned without use of quoting are considered being numbers.

Expression	`'05331'`
JSON	`"var": "'05331'"`
Explanation	Numeric values that are assigned with single quotes are considered being strings and for exapmle preserve leading zeros.

Operators

Comparison Operators

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Note that a call to the variable function will fail if the variable is unknown and a default value has not been specified.

Examples:

Expression	`variable( "my_var", job="my_job" )`
JSON	`"variable( \"my_var\", job=\"my_job\" )"`
Comment	The value of the variable `my_var` is returned as available with the job `my_job` in a workflow. If the variable is unknown then the function fails.

Expression	`variable( "my_var", label=my_label, default="some value" )`
JSON	`"variable( \"my_var\", label=my_label, default=\"some value\" )"`
Comment	The value of the variable `my_var` is returned as available with the job identified by the label `my_label` in a workflow. If the variable is unknown then the default value `some value` is returned.

Built-in variables are available at the following scopes:

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