diff --git a/src/txFactory/credentialRegistryTransactionFactory.ts b/src/txFactory/credentialRegistryTransactionFactory.ts
index ef88f58..93df498 100644
--- a/src/txFactory/credentialRegistryTransactionFactory.ts
+++ b/src/txFactory/credentialRegistryTransactionFactory.ts
@@ -7,6 +7,7 @@ import { AIdUtils } from '../utils/AIdUtils'
  * Dev: get delegated invoke addSubjectCredential transaction object
  * @param web3 ethereum connection
  * @param subjectCredentialHash should have 32 bytes, credential identification
+ * @param URI url for store the credentials for backup
  */
 export function addSubjectCredential(web3, subjectCredentialHash, URI) {
   const transaction = Object.assign({}, config.basicTransaction)
@@ -103,9 +104,9 @@ export function getSubjectCredentialStatus(
 /**
  * THIS METHOD WILL BE DEPREATED, USE INSTEAD updateIssuerCredential
  * function updateCredentialStatus(web3, issuerCredentialHash, status)
- * @param web3
- * @param issuerCredentialHash
- * @param status
+ * @param web3 ethereum connection
+ * @param issuerCredentialHash should have 32 bytes
+ * @param status uint that indicates the status of the credential
  */
 export function updateCredentialStatus(web3, issuerCredentialHash, status) {
   const transaction = Object.assign({}, config.basicTransaction)
@@ -121,9 +122,9 @@ export function updateCredentialStatus(web3, issuerCredentialHash, status) {
 
 /**
  * function updateIssuerCredentialStatus(web3, issuerCredentialHash, status)
- * @param web3
- * @param issuerCredentialHash
- * @param status
+ * @param web3 ethereum connection
+ * @param issuerCredentialHash should have 32 bytes
+ * @param status uint that indicates the status of the credential
  */
 export function updateIssuerCredential(web3, issuerCredentialHash, status) {
   const transaction = Object.assign({}, config.basicTransaction)
@@ -141,8 +142,8 @@ export function updateIssuerCredential(web3, issuerCredentialHash, status) {
  * Dev: get the invoke updateCredentialStatus transaction object
  * function getIssuerCredentialStatus(address issuer, bytes32 issuerCredentialHash) view public validAddress(issuer) returns (bool exists, Status status)
  * @param web3 ethereum connection
- * @param didIssuer
- * @param issuerCredentialHash
+ * @param didIssuer alastria Id
+ * @param issuerCredentialHash should have 32 bytes
  */
 export function getIssuerCredentialStatus(
   web3,
@@ -164,8 +165,8 @@ export function getIssuerCredentialStatus(
  * THIS METHOD WILL BE DEPREATED
  * Dev: Defining three status functions avoid linking the subject to the issuer or the corresponding hashes
  * @param web3 ethereum connection
- * @param subjectStatus
- * @param issuerStatus
+ * @param subjectStatus uint that indicates the status of the credential for subject
+ * @param issuerStatus uint that indicates the status of the credential for issuer
  */
 export function getCredentialStatus(web3, subjectStatus, issuerStatus) {
   const transaction = Object.assign({}, config.basicTransaction)
diff --git a/src/txFactory/presentationRegistryTransactionFactory.ts b/src/txFactory/presentationRegistryTransactionFactory.ts
index 3f9b5e3..8f48bb0 100644
--- a/src/txFactory/presentationRegistryTransactionFactory.ts
+++ b/src/txFactory/presentationRegistryTransactionFactory.ts
@@ -5,9 +5,9 @@ import { AIdUtils } from '../utils/AIdUtils'
  * THIS METHOD WILL BE DEPREATED, USE INSTEAD updateSubjectPresentation
  * Subject functions
  * function addSubjectPresentation(web3, subjectPresentationHash, URI)
- * @param web3
- * @param subjectPresentationHash
- * @param URI
+ * @param web3 ethereum connection
+ * @param subjectPresentationHash should have 32 bytes
+ * @param URI url for store the presentations for backup
  */
 export function addSubjectPresentation(web3, subjectPresentationHash, URI) {
   const transaction = Object.assign({}, config.basicTransaction)
@@ -24,8 +24,8 @@ export function addSubjectPresentation(web3, subjectPresentationHash, URI) {
 /**
  * Subject functions
  * function updateSubjectPresentation(bytes32 subjectPresentationHash, Status status) public validStatus(status)
- * @param web3
- * @param subjectPresentationHash
+ * @param web3 ethereum connection
+ * @param subjectPresentationHash should have 32 bytes
  */
 export function updateSubjectPresentation(
   web3,
@@ -47,9 +47,9 @@ export function updateSubjectPresentation(
  * If the Presentation does not exists the return is a void Presentation
  * If we want a log, should we add an event?
  * function getSubjectPresentationStatus(address subject, bytes32 subjectPresentationHash) view public validAddress(subject) returns(bool exists, Status status)
- * @param web3
- * @param didSubject
- * @param subsubjectPresentationHashject
+ * @param web3 ethereum connection
+ * @param didSubject alastria Id
+ * @param subsubjectPresentationHashject should have 32 bytes
  */
 export function getSubjectPresentationStatus(
   web3,
@@ -71,9 +71,9 @@ export function getSubjectPresentationStatus(
 /**
  * Receiver functions
  * function updateReceiverPresentation(bytes32 receiverPresentationHash, Status status) public validStatus(status)
- * @param web3
- * @param receiverPresentationHash
- * @param status
+ * @param web3 ethereum connection
+ * @param receiverPresentationHash should have 32 bytes
+ * @param status uint that indicates the status of the presentation
  */
 export function updateReceiverPresentation(
   web3,
@@ -95,9 +95,9 @@ export function updateReceiverPresentation(
  * If the Presentation does not exists the return is a void Presentation
  * If we want a log, should we add an event?
  * function getReceiverPresentationStatus(address receiver, bytes32 receiverPresentationHash) view public validAddress(receiver) returns(bool exists, Status status) {
- * @param web3
- * @param didReceiver
- * @param receiverPresentationHash
+ * @param web3 ethereum connection
+ * @param didReceiver alastria Id
+ * @param receiverPresentationHash should have 32 bytes
  */
 export function getReceiverPresentationStatus(
   web3,
@@ -121,9 +121,9 @@ export function getReceiverPresentationStatus(
  * Utility function
  * Defining three status functions avoids linking the Subject to the Receiver or the corresponding hashes
  * function getPresentationStatus(Status subjectStatus, Status receiverStatus) pure public validStatus(subjectStatus) validStatus(receiverStatus) returns(Status){
- * @param web3
- * @param subjectStatus
- * @param receiverStatus
+ * @param web3 ethereum connection
+ * @param subjectStatus uint that indicates the status of the presentation for subject
+ * @param receiverStatus uint that indicates the status of the presentation for receiver
  */
 export function getPresentationStatus(web3, subjectStatus, receiverStatus) {
   const transaction = Object.assign({}, config.basicTransaction)
diff --git a/src/txFactory/publicKeyRegistryTransactionFactory.ts b/src/txFactory/publicKeyRegistryTransactionFactory.ts
index 3f4f552..4c93f0f 100644
--- a/src/txFactory/publicKeyRegistryTransactionFactory.ts
+++ b/src/txFactory/publicKeyRegistryTransactionFactory.ts
@@ -3,10 +3,10 @@ import { AIdUtils } from '../utils/AIdUtils'
 import { AddressUtils } from '../utils/AddressUtils'
 
 /**
- * THIS METHOD WILL BE DEPREATED
- * function addKey(string memory publicKey, address subject) public
- * @param web3
- * @param publicKey
+ * THIS METHOD WILL BE DEPREATED, USE INSTEAD addPublicKey
+ * function addKey(string memory publicKey) public
+ * @param web3 ethereum connection
+ * @param publicKey the public key.
  */
 export function addKey(web3, publicKey) {
   const transaction = Object.assign({}, config.basicTransaction)
@@ -21,8 +21,9 @@ export function addKey(web3, publicKey) {
 }
 
 /**
- * @param web3
- * @param publicKeyHash
+ * function addPublicKey(bytes32 publicKeyHash) public
+ * @param web3 ethereum connection
+ * @param publicKeyHash the hash of the publickey. should have 32 bytes
  */
 export function addPublicKey(web3, publicKeyHash) {
   const transaction = Object.assign({}, config.basicTransaction)
@@ -37,9 +38,10 @@ export function addPublicKey(web3, publicKeyHash) {
 }
 
 /**
- * THIS METHOD WILL BE DEPREATED
- * @param web3
- * @param publicKey
+ * THIS METHOD WILL BE DEPREATED, USE INSTEAD revokePublicKeyHash
+ * function revokePublicKey(string memory publicKey) public
+ * @param web3 ethereum connection
+ * @param publicKey the public key.
  */
 export function revokePublicKey(web3, publicKey) {
   const transaction = Object.assign({}, config.basicTransaction)
@@ -54,8 +56,9 @@ export function revokePublicKey(web3, publicKey) {
 }
 
 /**
- * @param web3
- * @param publicKeyHash
+ * function revokePublicKey(bytes32 publicKeyHash) public
+ * @param web3 ethereum connection
+ * @param publicKeyHash the hash of the publickey. should have 32 bytes
  */
 export function revokePublicKeyHash(web3, publicKeyHash) {
   const transaction = Object.assign({}, config.basicTransaction)
@@ -70,9 +73,10 @@ export function revokePublicKeyHash(web3, publicKeyHash) {
 }
 
 /**
- * THIS METHOD WILL BE DEPREATED
- * @param web3
- * @param publicKey
+ * THIS METHOD WILL BE DEPREATED, USE INSTEAD deletePublicKeyHash
+ * function deletePublicKey(string memory publicKey) public
+ * @param web3 ethereum connection
+ * @param publicKey the public key.
  */
 export function deletePublicKey(web3, publicKey) {
   const transaction = Object.assign({}, config.basicTransaction)
@@ -87,8 +91,9 @@ export function deletePublicKey(web3, publicKey) {
 }
 
 /**
- * @param web3
- * @param publicKeyHash
+ * function deletePublicKey(bytes32 publicKeyHash) public
+ * @param web3 ethereum connection
+ * @param publicKeyHash the hash of the publickey. should have 32 bytes
  */
 export function deletePublicKeyHash(web3, publicKeyHash) {
   const transaction = Object.assign({}, config.basicTransaction)
@@ -103,9 +108,10 @@ export function deletePublicKeyHash(web3, publicKeyHash) {
 }
 
 /**
- * THIS METHOD WILL BE DEPREATED
- * @param web3
- * @param did
+ * THIS METHOD WILL BE DEPREATED, USE INSTEAD getPublicKeyStatusHash
+ * function getCurrentPublicKey(address subject) view public
+ * @param web3 ethereum connection
+ * @param did alastri Id
  */
 export function getCurrentPublicKey(web3, did) {
   const subjectAddr = AIdUtils.getProxyAddress(did)
@@ -120,10 +126,11 @@ export function getCurrentPublicKey(web3, did) {
 }
 
 /**
- * THIS METHOD WILL BE DEPREATED
- * @param web3
- * @param did
- * @param publicKey
+ * TODO: ELIMINAR???
+ * THIS METHOD WILL BE DEPREATED, USE INSTEAD getPublicKeyStatusHash
+ * function getPublicKeyStatus(address subject, bytes32 publicKeyHash) view public
+ * @param did ethereum connection
+ * @param publicKey the public key.
  */
 export function getPublicKeyStatus(web3, did, publicKey) {
   const subjectAddr = AIdUtils.getProxyAddress(did)
@@ -138,9 +145,10 @@ export function getPublicKeyStatus(web3, did, publicKey) {
 }
 
 /**
- * @param web3
- * @param did
- * @param publicKeyHash
+ * function getPublicKeyStatus(address subject, bytes32 publicKeyHash) view public
+ * @param web3 ethereum connection
+ * @param did alastri Id
+ * @param publicKeyHash the hash of the publickey. should have 32 bytes
  */
 export function getPublicKeyStatusHash(web3, did, publicKeyHash) {
   const subjectAddr = AIdUtils.getProxyAddress(did)