code: func (b *BigIP) AddPoolMember(pool, member string) error {
  	config := &poolMember{
  		Name: member,
  	}
  
  	return b.post(config, uriLtm, uriPool, pool, uriPoolMember)
  }
docs: // AddPoolMember adds a node/member to the given pool. <member> must be in the form
  // of <node>:<port>, i.e.: "web-server1:443".