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Release: Australia · Updated: 2026-05-25 · Official documentation · View source

Increase payload limit through system properties in AI Desktop Actions

By default, maximum 10 MB of file size is allowed in a scripted REST API request payload. Increase the payload limit to 15 MB by creating system properties in the global scope.

Before you begin

You must do this procedure in the ServiceNow instance.

Role required: system admin

About this task

If you already have these properties configured for your instance, you can update the value to 15 MB to increase the limit.

Procedure

  1. Navigate to All.

  2. In the filter navigator, enter sys_properties.list.

  3. In the System Properties table, select New to add the glide.rest.max_content_length property.

    1. On the form, fill in the fields.

      FieldDescriptionValue
      NameName of this system propertyglide.rest.max_content_length
      DescriptionExplanation for this propertyFor example: Revised payload for a scripted REST request body.
      TypeData type of this system propertyinteger
      ValueThe maximum size, in megabytes, for a scripted REST request body. The default value is 10 MB.15
    2. Select Submit.

  4. In the System Properties table, select New to add the glide.rest.scripted.max_inbound_content_length_mb property.

    1. On the form, fill in the fields.
FieldDescriptionValue
NameName of this system propertyglide.rest.scripted.max\_inbound\_content\_length\_mb
DescriptionExplanation for this propertyFor example: `Revised payload for a scripted REST request body.`
TypeData type of this system propertyinteger
ValueThe maximum size, in megabytes, for a scripted REST request body. The default value is 10 MB.Note: Even if glide.rest.scripted.max_inbound_content_length_mb is set, the request body is limited to the value of glide.rest.max_content_length.15
2.  Select **Submit**.