int howManyInLast(PropertyAtom pa, long num_msec_ago)int howManyInLast(PropertyAtom pa, long num_msec_ago)| Name | Type | Description |
|---|---|---|
pa | PropertyAtom | The target property. |
num_msec_ago | long | Number of msec ago. |
| Type | Description |
|---|---|
int | Number of history values that exist within the last specified msec timeframe. |