| BodyData | FB1CharacterBodyInfo | Base body configuration data for the character. | Category: B1BodyDescription |
| FootMesh | FSoftObjectPath | Soft reference to the foot mesh asset. | Category: B1BodyDescription |
| ToeMesh | FSoftObjectPath | Soft reference to the toe mesh asset, used as main-body overlay when stockings are worn. | Category: B1BodyDescription |
| BaseBodyMassRatio | float | Base body mass ratio. Standard body mass is 0.0, range [-1, 1]. | Category: B1BodyDescription |
| BodyMassRatio | float | Current body mass ratio. Standard body mass is 0.0, range [-1, 1]. | Category: B1BodyDescription |
| MuscleDefinition | float | Current muscle definition value. Standard muscle is 0.0, range [0, 1]. | Category: B1BodyDescription |
| BaseMuscleMass | float | Base muscle mass. Standard base muscle is 0.0, range [0, 1]. | Category: B1BodyDescription |
| MuscleMass | float | Current muscle mass. Standard muscle is 0.0, range [0, 1]. | Category: B1BodyDescription |
| BodyShapeParameters | TArray | Body shape parameters for each customization group. One value is stored per gizmo axis, matching the size of FB1BodyShapeCustomizeData::CustomizeGroups. | Category: B1BodyDescription |
| CachedShapeParameters | TArray | Cached shape parameter values used to restore previous group scales. | |
| BodyHair | FB1BodyHairDescription | Body hair appearance configuration. | Category: B1BodyDescription |
| AuthorName | FString | Name of the author who modified the body configuration. | Category: B1BodyDescription |
| OverrideBodyMassRatio | float | Override for body mass ratio. Values in [-1, 1] are considered valid. | |
| OverrideMuscleMass | float | Override for muscle mass. Values in [0, 1] are considered valid. | |
| OverrideMesh | FSoftObjectPath | When set, overrides BodyData.BodyMesh during RefreshBody. | Category: B1BodyDescription |
| bUseMeshMerge | bool | When true, merges body and garment meshes into a single combined mesh for rendering. | Category: B1BodyDescription |