src/main/java/org/sikuli/slides/api/Context.java
public String render(String templateText) {
		checkNotNull(templateText);
		ST st = new ST(templateText);
		for (Map.Entry<String, Object> e : parameters.entrySet()){
			st.add(e.getKey(), e.getValue());	
		}
		return st.render();
	}
public String render(String templateText) {
		checkNotNull(templateText);
		ST st = new ST(templateText);
		for (Map.Entry<String, Object> e : parameters.entrySet()){
			st.add(e.getKey(), e.getValue());	
		}
		return st.render();
	}
Render the given template string as a string based on the parameter values
associated with this context

@param templateText	the template string
@return	the rendered string