public static string GetPracticeDetailsHashParametersString()
{
var parameters = new HashParameters();
parameters.AddAreaCode(AreaCodes.GpPracticeThatchedHouseMedicalCentre);
parameters.AddParentAreaCode(AreaCodes.CcgWalthamForest);
parameters.AddParentAreaTypeId(AreaTypeIds.CCG);
parameters.AddAreaTypeId(AreaTypeIds.CCG);
return parameters.HashParameterString;
}