If you would like to authorize your property agent to act on your behalf, here is a sample template you can use to write an authorization letter for a property agent.
I, [Your Name], hereby certify that I grant my property agent, [Mr./Ms.] [Name] the authority to act on my behalf during my absence. Due to unavoidable conditions, I regret to inform my unavailability and thus request you to consider this authorization. [Mr./Ms.] [Name] shall take the required actions for me and carry out the process unhindered from [start date]-[end date].
Also, the authorized agent shall have equivalent authority as of mine and take necessary decisions for the specified time. Kindly take note and cooperate with the same. Feel free to contact me in case of further clarification at my phone number- [Phone No.].