package requests import ( "errors" ) var ErrEnableInstallationAndPairInvalidID = errors.New("enable installation and pair: invalid installation id") type EnableInstallationAndPair struct { InstallationID string `json:"installationId"` } func (j *EnableInstallationAndPair) Validate() error { if len(j.InstallationID) == 0 { return ErrEnableInstallationAndPairInvalidID } return nil }