code: func (b *BigIP) ModifyPoolMember(pool string, config *PoolMember) error {
  	member := config.FullPath
  	// These fields are not used when modifying a pool member; so omit them.
  	config.Name = ""
  	config.Partition = ""
  	config.FullPath = ""
  
  	// This cannot be modified for an existing pool member.
  	config.Address = ""
  
  	return b.put(config, uriLtm, uriPool, pool, uriPoolMember, member)
  }
docs: // ModifyPoolMember will update the configuration of a particular pool member.