Pop Message from History Node

P

AI/Generative/History

Pop Message from History

Removes and returns the last message in a chat history

ai_generative_pop_history_messagellm

Inputs2

Outputs4

Security exposure0/10

Packagellm

Ratings

Scores range from 0 to 10. Higher values mean more impact, exposure, or operational weight.

SecurityAttack surface and exposure impact.

0/10High

PrivacyPotential sensitivity of processed data.

0/10High

PerformanceRuntime or resource pressure.

1/10High

GovernancePolicy, audit, or compliance impact.

1/10High

ReliabilityOperational stability considerations.

0/10High

CostExternal or compute cost impact.

0/10High

Input Pins

2

Input

Execution

exec_in

Trigger when ready to pop

History

Struct

history

History to remove the message from

SchemaHistoryHistoryHistory19 fields

modelstringrequired

messagesArray<HistoryMessage>required

itemsHistoryMessagearray item

roleRolerequired

enum "system", "user", "assistant", "function"...

contentMessageContentrequired

variant 1stringvariant

variant 2Array<Content>variant

namestring | null

tool_callsarray | null

itemsToolCallarray item

tool_call_idstring | null

+1 more fields

presetstring | null

streamboolean | null

stream_optionsanyOf (2)

variant 1StreamOptionsvariant

include_usagebooleanrequired

variant 2nullvariant

max_completion_tokensinteger | null

format uint32min 0

top_pnumber | null

format float

temperaturenumber | null

format float

thinkinganyOf (2)

variant 1HistoryThinkingvariant

enum "off", "low", "mid", "high"

variant 2nullvariant

seedinteger | null

format uint32min 0

presence_penaltynumber | null

format float

frequency_penaltynumber | null

format float

userstring | null

stoparray | null

itemsstringarray item

response_formatanyOf (2)

variant 1ResponseFormatvariant

variant 1stringvariant

variant 2nullvariant

ninteger | null

format uint32min 0

toolsarray | null

itemsToolarray item

typeToolTyperequired

enum "function"

functionHistoryFunctionrequired

namestringrequired

descriptionstring | null

parametersHistoryFunctionParametersrequired

tool_choiceanyOf (2)

variant 1ToolChoicevariant

variant 1nullvariant

variant 2nullvariant

variant 3nullvariant

variant 4objectvariant

typeToolTyperequired

enum "function"

functionHistoryFunctionrequired

variant 2nullvariant

+1 more fields

Schema enforced

Output Pins

4

Output

Execution

exec_out

Fires when a message was popped

History

Struct

history_out

History after removing the message

SchemaHistoryHistoryHistory19 fields

modelstringrequired

messagesArray<HistoryMessage>required

itemsHistoryMessagearray item

roleRolerequired

enum "system", "user", "assistant", "function"...

contentMessageContentrequired

variant 1stringvariant

variant 2Array<Content>variant

namestring | null

tool_callsarray | null

itemsToolCallarray item

tool_call_idstring | null

+1 more fields

presetstring | null

streamboolean | null

stream_optionsanyOf (2)

variant 1StreamOptionsvariant

include_usagebooleanrequired

variant 2nullvariant

max_completion_tokensinteger | null

format uint32min 0

top_pnumber | null

format float

temperaturenumber | null

format float

thinkinganyOf (2)

variant 1HistoryThinkingvariant

enum "off", "low", "mid", "high"

variant 2nullvariant

seedinteger | null

format uint32min 0

presence_penaltynumber | null

format float

frequency_penaltynumber | null

format float

userstring | null

stoparray | null

itemsstringarray item

response_formatanyOf (2)

variant 1ResponseFormatvariant

variant 1stringvariant

variant 2nullvariant

ninteger | null

format uint32min 0

toolsarray | null

itemsToolarray item

typeToolTyperequired

enum "function"

functionHistoryFunctionrequired

namestringrequired

descriptionstring | null

parametersHistoryFunctionParametersrequired

tool_choiceanyOf (2)

variant 1ToolChoicevariant

variant 1nullvariant

variant 2nullvariant

variant 3nullvariant

variant 4objectvariant

typeToolTyperequired

enum "function"

functionHistoryFunctionrequired

variant 2nullvariant

+1 more fields

Message

Struct

message

Removed message

SchemaHistoryMessageHistoryMessageHistoryMessage6 fields

roleRolerequired

enum "system", "user", "assistant", "function"...

contentMessageContentrequired

variant 1stringvariant

variant 2Array<Content>variant

itemsContentarray item

variant 1objectvariant

variant 2objectvariant

variant 3objectvariant

variant 4objectvariant

variant 5objectvariant

namestring | null

tool_callsarray | null

itemsToolCallarray item

idstringrequired

typestringrequired

functionToolCallFunctionrequired

namestringrequired

argumentsstringrequired

tool_call_idstring | null

annotationsarray | null

itemsAnnotationarray item

typestringrequired

url_citationanyOf (2)

variant 1UrlCitationvariant

variant 2nullvariant

Empty

Execution

empty

Fires when no message was available

Node Info

Internal name

ai_generative_pop_history_message

Category

AI/Generative/History

Version

1