Letta · Schema

FileBlock

AIAgentsStateful AgentsMemoryMemGPTContinual LearningMCPMulti-AgentRAGOpen Source

Properties

Name Type Description
value string Value of the block.
limit integer Character limit of the block.
project_id object The associated project id.
template_name object Name of the block if it is a template.
is_template boolean Whether the block is a template (e.g. saved human/persona options).
template_id object The id of the template.
base_template_id object The base template id of the block.
deployment_id object The id of the deployment.
entity_id object The id of the entity within the template.
preserve_on_migration object Preserve the block on template migration.
label object Label of the block (e.g. 'human', 'persona') in the context window.
read_only boolean Whether the agent has read-only access to the block.
description object Description of the block.
metadata object Metadata of the block.
hidden object If set to True, the block will be hidden.
id string The human-friendly ID of the Block
created_by_id object The id of the user that made this Block.
last_updated_by_id object The id of the user that last updated this Block.
tags object The tags associated with the block.
file_id string Unique identifier of the file.
source_id string Deprecated: Use `folder_id` field instead. Unique identifier of the source.
is_open boolean True if the agent currently has the file open.
last_accessed_at object UTC timestamp of the agent’s most recent access to this file. Any operations from the open, close, or search tools will update this field.
View JSON Schema on GitHub

JSON Schema

letta-fileblock-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/FileBlock",
  "title": "FileBlock",
  "properties": {
    "value": {
      "type": "string",
      "title": "Value",
      "description": "Value of the block."
    },
    "limit": {
      "type": "integer",
      "title": "Limit",
      "description": "Character limit of the block.",
      "default": 100000
    },
    "project_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Project Id",
      "description": "The associated project id."
    },
    "template_name": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Template Name",
      "description": "Name of the block if it is a template."
    },
    "is_template": {
      "type": "boolean",
      "title": "Is Template",
      "description": "Whether the block is a template (e.g. saved human/persona options).",
      "default": false
    },
    "template_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Template Id",
      "description": "The id of the template."
    },
    "base_template_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Base Template Id",
      "description": "The base template id of the block."
    },
    "deployment_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Deployment Id",
      "description": "The id of the deployment."
    },
    "entity_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Entity Id",
      "description": "The id of the entity within the template."
    },
    "preserve_on_migration": {
      "anyOf": [
        {
          "type": "boolean"
        },
        {
          "type": "null"
        }
      ],
      "title": "Preserve On Migration",
      "description": "Preserve the block on template migration.",
      "default": false
    },
    "label": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Label",
      "description": "Label of the block (e.g. 'human', 'persona') in the context window."
    },
    "read_only": {
      "type": "boolean",
      "title": "Read Only",
      "description": "Whether the agent has read-only access to the block.",
      "default": false
    },
    "description": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Description",
      "description": "Description of the block."
    },
    "metadata": {
      "anyOf": [
        {
          "additionalProperties": true,
          "type": "object"
        },
        {
          "type": "null"
        }
      ],
      "title": "Metadata",
      "description": "Metadata of the block.",
      "default": {}
    },
    "hidden": {
      "anyOf": [
        {
          "type": "boolean"
        },
        {
          "type": "null"
        }
      ],
      "title": "Hidden",
      "description": "If set to True, the block will be hidden."
    },
    "id": {
      "type": "string",
      "pattern": "^block-[a-fA-F0-9]{8}",
      "title": "Id",
      "description": "The human-friendly ID of the Block",
      "examples": [
        "block-123e4567-e89b-12d3-a456-426614174000"
      ]
    },
    "created_by_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Created By Id",
      "description": "The id of the user that made this Block."
    },
    "last_updated_by_id": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ],
      "title": "Last Updated By Id",
      "description": "The id of the user that last updated this Block."
    },
    "tags": {
      "anyOf": [
        {
          "items": {
            "type": "string"
          },
          "type": "array"
        },
        {
          "type": "null"
        }
      ],
      "title": "Tags",
      "description": "The tags associated with the block.",
      "default": []
    },
    "file_id": {
      "type": "string",
      "title": "File Id",
      "description": "Unique identifier of the file."
    },
    "source_id": {
      "type": "string",
      "title": "Source Id",
      "description": "Deprecated: Use `folder_id` field instead. Unique identifier of the source.",
      "deprecated": true
    },
    "is_open": {
      "type": "boolean",
      "title": "Is Open",
      "description": "True if the agent currently has the file open."
    },
    "last_accessed_at": {
      "anyOf": [
        {
          "type": "string",
          "format": "date-time"
        },
        {
          "type": "null"
        }
      ],
      "title": "Last Accessed At",
      "description": "UTC timestamp of the agent\u2019s most recent access to this file. Any operations from the open, close, or search tools will update this field."
    }
  },
  "type": "object",
  "required": [
    "value",
    "file_id",
    "source_id",
    "is_open"
  ]
}