Parameter-Assignment.md

+## Parameter Group
+
+```
+ParameterGroup:
+	group=[declaration::ParameterGroupDeclaration|ID] '{'
+	(parameters+=ParameterAssignment)*
+	'}';
+```
+
+## Parameter Assignment
+
+```
+ParameterAssignment:
+	declaration=[declaration::ParameterDeclaration|ID] ('(' dimensions+=Dimension (',' dimensions+=Dimension)*  ')')? '=' value=ConfigurationExpression (unit=Unit)?
+;
+```
+
+## Configuration Expression
+
+```
+ConfigurationExpression:
+	left=MultiplyExpression (operator=('+'|'-') right=ConfigurationExpression)?
+;
+
+MultiplyExpression:
+	left=Literal (operator=('*'|'/'|'%') right=MultiplyExpression)?
+;
+
+Literal:
+	Primitive | Array | '(' ConfigurationExpression ')';
+
+Array:
+	{Array} '{' elements+=Primitive (',' elements+=Primitive)* '}';
+```
+
+## Primitive Elements
+
+```
+Primitive:
+	FloatNumber | IntNumber | Text | Bool | NamedElementReference;
+
+// TODO add features to access only single elements of an array
+NamedElementReference:
+	declaration=[types::NamedElement|ID]
+;
+
+Bool:
+	value=BOOLEAN;
+
+Text:
+	value=STRING;
+
+FloatNumber:
+	value=FLOAT
+;
+
+IntNumber:
+	value=INT
+;
+```
+
+## Unit
+
+```
+Unit:
+	unit=ID;
+```