Expression Helpers

For generating meaningful values with expressions, you usually need access to the state of entities in Home Assistant and other data, such as the current date and time. Several functions and variables are available for usage in your expressions, these will be described in this chapter.

Note

Depending on the actor type you’re using, there may be additional helpers available. See the documentation of the particular actor type.

Available helpers:

• Basic Helpers
  • app
  • room_name
  • schedule_snippets
  • is_empty
  • round_to_step
• Date and Time
  • datetime
  • now
  • date
  • time
• State Helpers
  • is_on
  • is_off
  • state
  • filter_entities
• Schedule Helpers
  • schedule.evaluate
  • schedule.next_results
• Pattern Helpers
  • pattern.linear