esri_webfeaturelayer_supportsAttachment (AutoLISP)

This function will verify if a web feature layer supports attachments by returning a list of true, or a list of false and a message if it does not.

Syntax

(esri_webfeaturelayer_supportsAttachment flname)

Arguments

• flname | string | required | An existing web feature layer name in the drawing.

Example usage 1

Evaluate whether the web feature layer named "DamageAssessment" supports file attachments.

(esri_webfeaturelayer_supportsAttachment "DamageAssessment")

Result example usage 1

The feature layer does support attachments and returns a list of true:

(T)

Example usage 2

Evaluate whether the web feature layer named "Shelters" supports file attachments.

(esri_webfeaturelayer_supportsAttachment "Shelters")

Result example usage 2

An error is returned because the web feature layer does not support attachments:

 (nil ("Error" . "Layer does not support attachments"))

Return values

• If successful, returns a list of true: (T)
• If failed, returns a list with the first value of nil and then an associated list containing the key value "Error" and an associated error message as a string: (nil ( "Error" . "<message>"))

Failed return values

A failed return value can occur for any of the following reasons:

• (nil ("Error" . "Missing required argument."))

  The required argument is not supplied.

• (nil ("Error" . "Web feature layer not found."))

  The specified web feature layer value is not a valid web feature layer in the drawing.

• (nil ("Error" . "No connected web feature layers found."))

  The network connection to the web feature layer was lost.

• (nil ("Error" . "Layer does not support attachments"))

  The specified web feature layer does not support attachments.