scoreboard_property()

scoreboard_property(objective, property)
scoreboard_property(objective, property, value)

Reads a property of an objective or sets it to a value if specified. Available properties are:

criterion
display_name (Formatted text supported)
display_slot: When reading, returns a list of slots this objective is displayed in, when modifying, displays the objective in the specified slot
render_type: Either 'integer' or 'hearts', defaults to 'integer' if invalid value specified