# Message Types This is a list of all message types as extracted from the Pax mobile application. The names are identical to what the app calls them.

Name	Description	ID	Era		Pax 3
Name	Description	ID	Read	Write	Read	Write
ATTRIBUTE\_ACTUAL\_TEMP	Actual temperature of the heater	1	❌	❌	✅	❌
ATTRIBUTE\_HEATER\_SET\_POINT	Set temperature of the device’s heater	2	✅	✅	✅	✅
ATTRIBUTE\_BATTERY		3	✅	❌	❌	❌
ATTRIBUTE\_USAGE		4	✅	❌	❌	❌
ATTRIBUTE\_USAGE\_LIMIT		5	✅	❌	❌	❌
ATTRIBUTE\_LOCKED	Whether the user interface of the device is locked or not	6	✅	❌	❌	❌
ATTRIBUTE\_CHARGE\_STATUS		7	✅	❌	❌	❌
ATTRIBUTE\_POD\_INSERTED		8	✅	❌	❌	❌
ATTRIBUTE\_TIME		9	✅	✅	✅	✅
ATTRIBUTE\_DEVICE\_NAME	Display name of the device	10	✅	✅	✅	✅
ATTRIBUTE\_REPLAY		13	✅	✅	✅	✅
ATTRIBUTE\_GAME\_MODE		15	✅	✅	✅	✅
ATTRIBUTE\_HEATER\_RANGES		17	✅	❌	✅	❌
ATTRIBUTE\_LOG\_SYNC\_REQUEST		18	✅	❌	❌	❌
ATTRIBUTE\_DYNAMIC\_MODE	Current dynamic heater profile	19	❌	❌	✅	✅
ATTRIBUTE\_COLOR\_THEME	Selects a fixed color scheme, or sets the raw RGB values, depending on device.	20	✅	✅	✅	✅
ATTRIBUTE\_BRIGHTNESS	Brightness of user interface LEDs	21	✅	✅	✅	✅
ATTRIBUTE\_HAPTIC\_MODE		23	❌	❌	✅	✅
ATTRIBUTE\_SUPPORTED\_ATTRIBUTES	Indicates which properties are supported by the device; this is a 64-bit wide bitfield.	24	✅	✅	✅	✅
ATTRIBUTE\_HEATING\_PARAMETERS		25	❌	❌	✅	✅
ATTRIBUTE\_UI\_MODE		27	✅	❌	❌	❌
ATTRIBUTE\_SHELL\_COLOR	Color of the outside of the device (?)	28	✅	❌	❌	❌
ATTRIBUTE\_LOW\_SOC\_MODE		30	✅	❌	❌	❌
ATTRIBUTE\_CURRENT\_TARGET\_TEMP	Target temperature of the internal heater control loop	31	❌	❌	✅	❌
ATTRIBUTE\_HEATING\_STATE	State of the heater	32	❌	❌	✅	❌
ATTRIBUTE\_SESSION\_CONTROL		36	✅	✅	❌	❌
ATTRIBUTE\_HAPTICS	Control over the vibration motor	40	❌	❌	✅	✅
ATTRIBUTE\_LOG\_REQUEST		41	✅	✅	❌	❌
ATTRIBUTE\_POD\_DATA		42	❌	❌	❌	❌
ATTRIBUTE\_ENCRYPTION\_EXCHANGE	Seems to be used by Era Pro to negotiate a session key	49	❌	❌	❌	❌
ATTRIBUTE\_ENCRYPTION\_PACKET	Seems to be used by Era Pro to negotiate a session key	50	❌	❌	❌	❌
ATTRIBUTE\_BLE\_DIS\_DATA		52	❌	❌	❌	❌
ATTRIBUTE\_FIND\_MY\_PAX		54	❌	❌	❌	❌
ATTRIBUTE\_STATUS\_UPDATE	Request current values for the given attributes; the payload is a 64-bit bitfield, encoded identically to the supported attributes query.	254	✅	✅	✅	✅

At least the names and IDs are known to be accurate. The descriptions were determined through reverse engineering the code, and the device support was also determined from seeing which packets the device sent at what times.