StringParameterDefinition spd = new StringParameterDefinition("id", "");
ParametersDefinitionProperty spdp = new ParametersDefinitionProperty(spd);
p.addProperty(spdp);
StringParameterDefinition spd1 = new StringParameterDefinition("email", "");
ParametersDefinitionProperty spdp1 = new ParametersDefinitionProperty(spd1);
p.addProperty(spdp1);
ParametersDefinitionProperty allows to specify multiple Parameter definitions.