# TripletexRubyClient::ProjectActivity ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **id** | **Integer** | | [optional] **version** | **Integer** | | [optional] **changes** | [**Array<Change>**](Change.md) | | [optional] **url** | **String** | | [optional] **activity** | [**Activity**](Activity.md) | Add existing project activity or create new project specific activity | [optional] **project** | [**Project**](Project.md) | | [optional] **start_date** | **String** | | [optional] **end_date** | **String** | | [optional] **is_closed** | **BOOLEAN** | | [optional] **budget_hours** | **Float** | Set budget hours | [optional] **budget_hourly_rate_currency** | **Float** | Set budget hourly rate | [optional] **budget_fee_currency** | **Float** | Set budget fee | [optional]