acceptsReservations

From the official description...

Indicates whether a FoodEstablishment accepts reservations. Values can be Boolean, an URL at which reservations can be made or (for backwards compatibility) the strings Yes or No.

Based on the recommendations, we process and accept the following values...

• Boolean
• Text — A value of Yes or No should be used.
• URL

Normalization

Accepted values are normalized into either a Boolean or URL.

Technical Notes

• Reference: schema.org/acceptsReservations