+
+# Variable minimum length (schema.@variable.minlength)
+config variable
+ option name 'minlength'
+ option title 'Minimum length of this variable'
+ option section 'schema.variable'
+ option type 'variable'
+ option datatype 'uint'
+ option required false
+
+# Variable maximum length (schema.@variable.minlength)
+config variable
+ option name 'maxlength'
+ option title 'Maximum length of this variable'
+ option section 'schema.variable'
+ option type 'variable'
+ option datatype 'uint'
+ option required false
+
+# Variable minimum value (schema.@variable.minlength)
+config variable
+ option name 'minimum'
+ option title 'Minimum value of this variable'
+ option section 'schema.variable'
+ option type 'variable'
+ option datatype 'integer'
+ option required false
+
+# Variable maximum value (schema.@variable.minlength)
+config variable
+ option name 'maximum'
+ option title 'Maximum value of this variable'
+ option section 'schema.variable'
+ option type 'variable'
+ option datatype 'integer'
+ option required false