ReleaseTriggerType enum
Fields
| Undefined = 0 | Release trigger type not set. |
| ArtifactSource = 1 | Artifact based release trigger. |
| Schedule = 2 | Schedule based release trigger. |
| SourceRepo = 3 | Source repository based release trigger. |
| ContainerImage = 4 | Container image based release trigger. |
| Package = 5 | Package based release trigger. |
| PullRequest = 6 | Pull request based release trigger. |