## SessionSubActivity

**Type:** GraphQL unions

### Types
- PolicyEvaluatedActivity
- UserMessageActivity
- AgentMessageActivity
- AgentReasoningActivity
- ToolCallActivity
- ErrorActivity
- SessionStartedActivity
- DataSourceAccessActivity
- AccessChannelActivity

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## TimelineIndicatorItem

**Type:** GraphQL unions

### Types
- FindingIndicator
- ViolationIndicator
- DetectionIndicator

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## FlowStepResource

**Type:** GraphQL unions

### Types
- AgentPreview
- ToolPreview
- DataSourcePreview
- FlowPreview
- AccessChannelPreview

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## EvidenceGraphNode

**Type:** GraphQL unions

### Types
- FindingNode
- DetectionNode
- SessionNode
- AgentNode
- ToolNode
- DataSourceNode
- AccessChannelNode

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## PolicyActionParams

**Type:** GraphQL unions

**Description:**
Union of all possible policy action parameters

### Types
- PolicyCreateIssueActionParams: Parameters for CREATE_ISSUE action

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## TestPolicyResult

**Type:** GraphQL unions

**Description:**
Union of possible policy test results.
Result type depends on the trigger type:
- AGENT_CREATED/AGENT_UPDATED → AgentTestPolicyResult
- Future: TOOL_EXECUTION → ToolTestPolicyResult

### Types
- AgentTestPolicyResult: Result of testing agent-based policy conditions.
Shows preview of agents that would be impacted by this policy.