| GUID | G | GUID | Guid |
| TopicType | T | Type of the topic. | Text |
| TopicStatus | S | Status of the topic. | Text |
| ReferenceLink | R | List of references to the topic, for example, a work request management system or an URI to a model. | Text |
| Title | T | Title of the topic. | Text |
| Priority | P | Topic priority | Text |
| Index | I | Number to maintain the order of the topics. | Integer |
| Labels | L | Labels | Text |
| CreationDate | C | Date when the topic was created. | Time |
| CreationAuthor | A | User who created the topic. | Text |
| ModifiedDate | M | Date when the topic was last modified. Exists only when Topic has been modified after creation. | Time |
| ModifiedAuthor | A | User who modified the topic. Exists only when Topic has been modified after creation. | Text |
| DueDate | D | Date until when the topics issue needs to be resolved. | Time |
| AssignedTo | A | The user to whom this topic is assigned to. Recommended to be in email format. | Text |
| Stage | S | Stage this topic is part of. | Text |
| Description | D | Description of the topic. | Text |
| Snippet | S | BimSnippet is an additional file containing information related to one or multiple topics. For example, it can be an IFC file containing provisions for voids. | Generic Data |
| DocumentReference | R | DocumentReference provides a means to associate additional payloads or links with topics. The references may point to a file within the .bcfzip or to an external location. | Generic Data |
| Comments | C | Comments related to the topic | Generic Data |
| ViewPoints | V | Related ViewPoints | Generic Data |
| RelatedTopics | T | Relation between topics (Clash -> PfV -> Opening) | Guid |