# Mood Concepts

Additionally, Acts are classified by Mood via the MoodConceptId. The mood of an act identifies the mood or method of operation of the act, moods include:

| Mood     | Code | Description                                                                                            |
| -------- | ---- | ------------------------------------------------------------------------------------------------------ |
| Proposal | PRPS | Indicates that the act was proposed by a system process such as a business rule, or clinical protocol. |
| Intent   | INT  | Indicates that a human intends to perform the act in the future, however the act has not yet occurred. |
| Event    | EVN  | Indicates that the act has actually occurred, or is occurring.                                         |
| Request  | RQO  | Indicates that a person is requesting that the act occur. It is used to support order workflows.       |
| Promise  | PRMS | Indicates that the act represents the promise to fulfill a request.                                    |