The Prayer Of Agreement.

Moreover, if your brother shall trespass against you, then go and tell him his fault between you and him alone: if he shall hear you, then you have gained your brother. But if he will not hear you, then take with yourself one or two more, that in the mouth of two or three witnesses every word may be established. And if he shall neglect to hear them, tell it unto the church: but if he neglects to hear the church, let him be unto you as a heathen man and a publican.

Verily I say unto you, Whatsoever you shall bind on earth shall be bound in heaven: and whatsoever you shall loose on earth shall be loosed in heaven. Again I say unto you, That if two of you shall agree on earth as touching anything that they shall ask, it shall be done for them of My Father Who is in heaven. For where two or three are gathered together in My name, there am I in the midst of them. Matthew 18 vs 15-20.