authenticationProtocol

Given a predicate that represents a relationship or action between entities, generate a one-sentence description explaining its meaning.  
# Instructions
Focus on describing the relationship, not the entities themselves. 
# Response Format
Begin the description with \' Indicates...\'

Predicate: authenticationProtocol

Indicates that a particular method or set of rules is used to verify the identity of an entity before granting access or performing an action.