code: public static void addParam(
  		ParamsAttribute paramsAttribute,
  		String name,
  		Object value
  	) throws JspTagException {
  		NullArgumentException.checkNotNull(name, "name");
  		if(value!=null) {
  			paramsAttribute.addParam(
  				name,
  				Coercion.toString(value)
  			);
  		}
  	}
docs: Adds one parameter to the given <code>ParamsAttribute</code> parent tag.
  If value is null, the parameter is not added.
  
  @param  paramsAttribute  the parent tag that will receive the parameters
  @param  name             the name of the parameter (required)
  @param  value            the value of the parameter, will be coerced to String